保持dropdownlist选中值代码,Asp.Net代码库,德仔网

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【Asp.Net】保持dropdownlist选中值
作者:曾祥展 / 发布于2011/3/15/ 676
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<pre>
   <span style="color: rgb(0,0,255)">protected</span> <span style="color: rgb(0,0,255)">void</span> GridView1_RowDataBound(<span style="color: rgb(0,0,255)">object</span> sender, GridViewRowEventArgs e)
    {
        <span style="color: rgb(0,0,255)">int</span> i;

        
        <span style="color: rgb(0,0,255)">for</span> (i = 0; i < GridView1.Rows.Count; i++)
        { 
            <span style="color: rgb(0,0,255)">if</span> (e.Row.RowType == DataControlRowType.DataRow)
            {

                e.Row.Attributes.Add("<span style="color: rgb(139,0,0)">onmouseover</span>", "<span style="color: rgb(139,0,0)">c=this.style.backgroundColor;this.style.backgroundColor='#FFFFCC'</span>");
             
                e.Row.Attributes.Add("<span style="color: rgb(139,0,0)">onmouseout</span>", "<span style="color: rgb(139,0,0)">this.style.backgroundColor=c</span>");

            }
        }
        e.Row.Attributes["<span style="color: rgb(139,0,0)">style</span>"] = "<span style="color: rgb(139,0,0)">Cursor:hand</span>";

        <span style="color: rgb(0,128,0)">//问题分类下拉框绑定选中值</span>
        <span style="color: rgb(0,0,255)">if</span> (((DropDownList)e.Row.FindControl("<span style="color: rgb(139,0,0)">ddlProVar</span>")) != <span style="color: rgb(0,0,255)">null</span>)
        {
            DropDownList ddlProVar = (DropDownList)e.Row.FindControl("<span style="color: rgb(139,0,0)">ddlProVar</span>");

            SetSelectedItem(ddlProVar, ((HiddenField)e.Row.FindControl("<span style="color: rgb(139,0,0)">hdProVarState</span>")).Value);
        }
      

}

   <span style="color: rgb(128,128,128)">/// <summary></span>
    <span style="color: rgb(128,128,128)">/// 保存选定的dropdownlist值</span>
    <span style="color: rgb(128,128,128)">/// </summary></span>
    <span style="color: rgb(128,128,128)">/// <param name="list"></param></span>
    <span style="color: rgb(128,128,128)">/// <param name="value"></param></span>
    <span style="color: rgb(0,0,255)">private</span> <span style="color: rgb(0,0,255)">void</span> SetSelectedItem(System.Web.UI.WebControls.ListControl list, String <span style="color: rgb(0,0,255)">value</span>)
    {
        <span style="color: rgb(0,0,255)">foreach</span> (ListItem e <span style="color: rgb(0,0,255)">in</span> list.Items)
        {
            <span style="color: rgb(0,0,255)">if</span> (e.Text == <span style="color: rgb(0,0,255)">value</span>)
            {
                e.Selected = <span style="color: rgb(0,0,255)">true</span>;
                <span style="color: rgb(0,0,255)">return</span>;
            }
            <span style="color: rgb(0,0,255)">else</span> e.Selected = <span style="color: rgb(0,0,255)">false</span>;
        }
    }</pre>
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