问题描述
限时送ChatGPT账号..我需要在 GridView 的 EditItemTemplate 中绑定 ASP.Net DropDownList 控件.我有一个带有 commandname="Edit" 的编辑图像按钮,也需要从不同的表(目录)绑定下拉列表,而不是绑定网格的表(详细信息).
I have requirement to bind ASP.Net DropDownList control in EditItemTemplate of GridView. I have a edit imagebutton with commandname="Edit"also dropdown needs to be binded from different table(directory) and not the table through which grid is binded(details).
if (e.Row.RowType == DataControlRowType.DataRow && (e.Row.RowState & DataControlRowState.Edit) == DataControlRowState.Edit && GridView1.EditIndex == e.Row.RowIndex)
{
DropDownList DStatusEdit = (DropDownList)e.Row.FindControl("DStatusEdit");
string query = "select distinct status from directory";
SqlCommand cmd = new SqlCommand(query);
DStatusEdit.DataSource = GetData(cmd);
DStatusEdit.DataTextField = "status";
DStatusEdit.DataValueField = "status"; DStatusEdit.DataBind();
DataStatusEdit.DataBind();
}
页面正在运行,但是当我单击编辑图像按钮时,dropdwn 显示但下拉列表中没有绑定数据,它是空的.我的 gridview 在更新面板内.我怎样才能做到这一点?在我的情况下,下拉列表应该绑定在 rowcommand 内,但如何绑定?
the page is running but when i click edit image button the dropdwn shows but no data in dropdown binded it is empty. My gridview is inside update panel. How can i achieve this? Should dropdownlist in my case be binded inside rowcommand but how?
推荐答案
protected void gv_RowDataBound(object sender, GridViewEditEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
if ((e.Row.RowState & DataControlRowState.Edit) > 0)
{
DropDownList DStatusEdit= (DropDownList)e.Row.FindControl("DStatusEdit");
DataTable dt = con.GetData("select distinct status from directory");
DStatusEdit.DataSource = dt;
DStatusEdit.DataTextField = "status";
DStatusEdit.DataValueField = "status";
DStatusEdit.DataBind();
DataRowView dr = e.Row.DataItem as DataRowView;
DStatusEdit.SelectedValue = dr["columnname"].ToString();
}
}
}
}
protected void gv_RowEditing(object sender, GridViewEditEventArgs e)
{
gv.EditIndex = e.NewEditIndex;
gridviewBind();// your gridview binding function
}
这篇关于如何在编辑(图像按钮)单击时在 GridView 的 EditItemTemplate 中绑定 ASP.Net DropDownList 控件的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
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