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本文实例讲述了asp.net简单页面控件赋值的方法。分享给大家供大家参考,具体如下:
/// <summary> /// 赋值 表名,控件名,要查询的唯一数据 /// </summary> protected void SetEvaluate(string TableName, string UpName, string Id) { ContentPlaceHolder cph = (ContentPlaceHolder)Page.Master.FindControl("cph_context"); UpdatePanel up = (UpdatePanel)cph.FindControl(UpName); DataTable dt = LOaPersonLogic.GetPersonTemp("select * from " + TableName + " where ID='" + Id + "'"); for (int i = 0; i < dt.Columns.Count; i++) { //集合表头名称 dt.Columns[i] //集合值dt.Rows[0][i].ToString() foreach (Control ctl in up.Controls[0].Controls) { if ((ctl is TextBox) && ctl.ID.Trim() == dt.Columns[i].ToString().Trim()) { ((TextBox)ctl).Text = dt.Rows[0][i].ToString(); } if ((ctl is DropDownList) && ctl.ID.Trim() == dt.Columns[i].ToString().Trim()) { ((DropDownList)ctl).Items.FindByValue(dt.Rows[0][i].ToString().Trim()).Selected = true; } } } } /// <summary> /// 生成sql 修改sql /// </summary> /// <param name="TableName">表名称</param> /// <param name="WyId">唯一id主键</param> /// <param name="UpName"></param> /// <param name="Id">修改id</param> protected string CreateSql(string TableName, string WyId, string UpName, string Id) { string SQL = "update " + TableName + " set "; ContentPlaceHolder cph = (ContentPlaceHolder)Page.Master.FindControl("cph_context"); UpdatePanel up = (UpdatePanel)cph.FindControl(UpName); foreach (Control ctl in up.Controls[0].Controls) { if (ctl is TextBox) { SQL = SQL + ctl.ID + "='" + ((TextBox)ctl).Text + "',"; } if (ctl is DropDownList) { SQL = SQL + ctl.ID + "='" + ((DropDownList)ctl).SelectedItem.Value.Trim() + "',"; } } if (SQL.IndexOf(',') > -1) { SQL = SQL.Substring(0, SQL.Length - 1) + " where " + WyId + "='" + Id + "'"; } return SQL; }
希望本文所述对大家asp.net程序设计有所帮助。
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