305 lines
12 KiB
C#
305 lines
12 KiB
C#
using DevExpress.XtraEditors;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel.DataAnnotations;
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using System.Data;
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using System.Linq;
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using System.Linq.Expressions;
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using System.Reflection;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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using System.Windows.Forms.VisualStyles;
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using ComboBox = System.Windows.Forms.ComboBox;
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namespace WinformGeneralDeveloperFrame.Commons
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{
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public static class ExtensionMethod
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{
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public static void SetComboxEditDataSource<T>(this ComboBoxEdit cmb,IEnumerable<T> dataSource,string textFileName,string valueFileName)
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{
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foreach (var item in dataSource)
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{
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//cmb.Properties.Items.Add();
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}
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}
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/// <summary>
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/// 显示一般的提示信息
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/// </summary>
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/// <param name="message">提示信息</param>
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public static DialogResult ShowTips(this string message)
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{
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return DevExpress.XtraEditors.XtraMessageBox.Show((message), ("提示信息"), MessageBoxButtons.OK, MessageBoxIcon.Information);
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}
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/// <summary>
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/// 显示警告信息
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/// </summary>
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/// <param name="message">警告信息</param>
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public static DialogResult ShowWarning(this string message)
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{
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return DevExpress.XtraEditors.XtraMessageBox.Show((message), ("警告信息"), MessageBoxButtons.OK, MessageBoxIcon.Warning);
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}
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/// <summary>
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/// 显示错误信息
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/// </summary>
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/// <param name="message">错误信息</param>
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public static DialogResult ShowError(this string message)
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{
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return DevExpress.XtraEditors.XtraMessageBox.Show((message), ("错误信息"), MessageBoxButtons.OK, MessageBoxIcon.Error);
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}
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/// <summary>
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/// 显示询问用户信息，并显示错误标志
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/// </summary>
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/// <param name="message">错误信息</param>
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public static DialogResult ShowYesNoAndError(this string message)
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{
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return DevExpress.XtraEditors.XtraMessageBox.Show((message), ("错误信息"), MessageBoxButtons.YesNo, MessageBoxIcon.Error);
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}
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/// <summary>
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/// 显示询问用户信息，并显示提示标志
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/// </summary>
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/// <param name="message">错误信息</param>
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public static DialogResult ShowYesNoAndTips(this string message)
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{
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return DevExpress.XtraEditors.XtraMessageBox.Show((message), ("提示信息"), MessageBoxButtons.YesNo, MessageBoxIcon.Information);
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}
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/// <summary>
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/// 显示询问用户信息，并显示警告标志
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/// </summary>
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/// <param name="message">警告信息</param>
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public static DialogResult ShowYesNoAndWarning(this string message)
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{
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return DevExpress.XtraEditors.XtraMessageBox.Show((message), ("警告信息"), MessageBoxButtons.YesNo, MessageBoxIcon.Warning);
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}
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/// <summary>
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/// 显示询问用户信息，并显示提示标志
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/// </summary>
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/// <param name="message">错误信息</param>
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public static DialogResult ShowYesNoCancelAndTips(this string message)
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{
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return DevExpress.XtraEditors.XtraMessageBox.Show((message), ("提示信息"), MessageBoxButtons.YesNoCancel, MessageBoxIcon.Information);
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}
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//public static string language(this string message)
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//{
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// return message;
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//}
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public static bool ToBoolean(this string str)
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{
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bool result = false;
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bool.TryParse(str, out result);
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return result;
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}
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public static void SetDataGridViewDoubleBuffered(this DataGridView dataGridView)
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{
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Type dgvType = dataGridView.GetType();
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PropertyInfo pi = dgvType.GetProperty("DoubleBuffered", BindingFlags.Instance | BindingFlags.NonPublic);
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pi.SetValue(dataGridView, true, null);
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}
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/// <summary>
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/// 查询扩展方法
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/// </summary>
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public static IOrderedQueryable<T> OrderBy<T>(this IQueryable<T> query, string propertyName)
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{
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return _OrderBy<T>(query, propertyName, false);
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}
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public static IOrderedQueryable<T> OrderByDescending<T>(this IQueryable<T> query, string propertyName)
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{
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return _OrderBy<T>(query, propertyName, true);
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}
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static IOrderedQueryable<T> _OrderBy<T>(IQueryable<T> query, string propertyName, bool isDesc)
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{
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string methodname = (isDesc) ? "OrderByDescendingInternal" : "OrderByInternal";
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var memberProp = typeof(T).GetProperty(propertyName);
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var method = typeof(ExtensionMethod).GetMethod(methodname)
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.MakeGenericMethod(typeof(T), memberProp.PropertyType);
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return (IOrderedQueryable<T>)method.Invoke(null, new object[] { query, memberProp });
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}
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public static IOrderedQueryable<T> OrderByInternal<T, TProp>(IQueryable<T> query, System.Reflection.PropertyInfo memberProperty)
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{//public
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return query.OrderBy(_GetLamba<T, TProp>(memberProperty));
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}
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public static IOrderedQueryable<T> OrderByDescendingInternal<T, TProp>(IQueryable<T> query, System.Reflection.PropertyInfo memberProperty)
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{//public
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return query.OrderByDescending(_GetLamba<T, TProp>(memberProperty));
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}
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static Expression<Func<T, TProp>> _GetLamba<T, TProp>(System.Reflection.PropertyInfo memberProperty)
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{
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if (memberProperty.PropertyType != typeof(TProp)) throw new Exception();
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var thisArg = Expression.Parameter(typeof(T));
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var lamba = Expression.Lambda<Func<T, TProp>>(Expression.Property(thisArg, memberProperty), thisArg);
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return lamba;
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}
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/// <summary>
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/// 转换字符串为Int16类型，可以指定默认值
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/// </summary>
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/// <param name="str">字符串内容</param>
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/// <param name="defaultValue">默认值</param>
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/// <returns></returns>
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public static int ToInt16(this string str, Int16 defaultValue = 0)
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{
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str = ConvertHelper.ConvertToDBC(str);//先转换为半角字符串
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bool converted = Int16.TryParse(str, out defaultValue);
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return defaultValue;
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}
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public static DateTime ToDateTime(this object rowValue)
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{
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DateTime defMinValue = DateTime.Parse("1758-01-01 00:00:00");
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DateTime defMaxValue = DateTime.Parse("9999-12-31 23:59:59");
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if (rowValue == null || rowValue == DBNull.Value)
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{
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return defMinValue;//传入空值，返回预设值
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}
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DateTime d;
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if (DateTime.TryParse(rowValue.ToString(), out d))
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{
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if (d < defMinValue || d > defMaxValue)
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return defMinValue;//无效日期，预设返回SQL支持的最小日期
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else
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return d;
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}
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else
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return defMinValue;
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}
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public static void ModelDataToControl(this Control con, object data)
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{
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Type type = data.GetType();
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foreach (PropertyInfo pro in type.GetProperties())
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{
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if (pro.IsDefined(typeof(ModelBindControlAttribute), true))
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{
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Control control = getControl(con, pro.GetCustomAttribute<ModelBindControlAttribute>().GetModelName());
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if (control != null)
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{
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if (control is ComboBoxEdit)
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{
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ComboBoxEdit txt = (ComboBoxEdit)control;
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txt.EditValue = pro.GetValue(data) ;
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}
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else if (control is DateEdit)
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{
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DateEdit txt = (DateEdit)control;
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txt.EditValue = pro.GetValue(data);
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}
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else if (control is CheckEdit)
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{
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CheckEdit txt = (CheckEdit)control;
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txt.Checked = Boolean.Parse(pro.GetValue(data).ToString());
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}
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else if (control is LookUpEditBase)
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{
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LookUpEditBase txt = (LookUpEditBase)control;
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txt.EditValue = pro.GetValue(data);
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}
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else if (control is CheckedComboBoxEdit)
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{
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CheckedComboBoxEdit txt = (CheckedComboBoxEdit)control;
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txt.SetEditValue(pro.GetValue(data));
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}
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else
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{
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TextEdit txt = (TextEdit)control;
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txt.Text = pro.GetValue(data) == null ? "" : pro.GetValue(data).ToString();
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}
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}
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}
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}
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}
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public static Control getControl(this Control con, string name)
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{
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Control[] controls = con.Controls.Find(name, true);
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if (controls.Length > 0)
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return (controls[0]);
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else
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{
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return null;
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}
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}
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public static object ControlDataToModel(this Control con,object data)
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{
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Type type = data.GetType();
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object t = Activator.CreateInstance(type);
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foreach (PropertyInfo pro in type.GetProperties())
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{
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if (pro.IsDefined(typeof(ModelBindControlAttribute), true))
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{
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Control control = getControl(con, pro.GetCustomAttribute<ModelBindControlAttribute>().GetModelName());
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if (control != null)
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{
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if (control is ComboBoxEdit)
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{
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ComboBoxEdit txt = (ComboBoxEdit)control;
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pro.SetValue(t, txt.EditValue);
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}
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else if (control is DateEdit)
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{
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DateEdit txt = (DateEdit)control;
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pro.SetValue(t, txt.DateTime);
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}
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else if (control is CheckEdit)
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{
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CheckEdit txt = (CheckEdit)control;
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pro.SetValue(t, txt.Checked);
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}
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else if (control is NumericUpDown)
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{
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NumericUpDown txt = (NumericUpDown)control;
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pro.SetValue(t, Convert.ChangeType(txt.Text, pro.PropertyType));
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}
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else if (control is LookUpEditBase)
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{
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LookUpEditBase txt = (LookUpEditBase)control;
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if(!string.IsNullOrEmpty(txt.EditValue.ToString()))
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pro.SetValue(t, Convert.ChangeType(txt.EditValue, pro.PropertyType));
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}
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else if (control is CheckedComboBoxEdit)
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{
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CheckedComboBoxEdit txt = (CheckedComboBoxEdit)control;
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pro.SetValue(t, Convert.ChangeType(txt.EditValue, pro.PropertyType));
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}
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else
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{
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TextEdit txt = (TextEdit)control;
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if (string.IsNullOrEmpty(txt.Text))
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{
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txt.Text = "0";
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}
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pro.SetValue(t, Convert.ChangeType(txt.Text,pro.PropertyType));
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}
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}
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}
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}
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return t;
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}
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public static T RowToModel<T>(this DataRow dr) where T : new()
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{
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T model = new T();
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foreach (PropertyInfo p in (typeof(T)).GetProperties())
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{
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if (dr[p.Name] is System.DBNull) { continue; }
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p.SetValue(model, dr[p.Name.ToUpper()], null);
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}
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return model;
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}
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}
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}
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