我有一个gridview,如果选择了某个下拉列表项,我只想允许文本框可编辑。在我的RowDataBound中,我获取了值并决定是否应对其进行编辑,但是.Visible属性无法按预期工作。使用示例数据,我希望第一行和第二行在该列中没有文本框,第三行具有一个文本框,第四行不再具有文本框。任何帮助将不胜感激。
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
Control ctrl = e.Row.FindControl("ddlPriceTypeCode");
if (ctrl != null)
{
DropDownList ddl = (DropDownList)ctrl;
if (ddl.SelectedValue == "UPRC-" || ddl.SelectedValue == "PLEV-0" || ddl.SelectedValue == "PLEV-1" || ddl.SelectedValue == "PLEV-2" || ddl.SelectedValue == "PLEV-3" || ddl.SelectedValue == "PLEV-4" || ddl.SelectedValue == "PLEV-5" || ddl.SelectedValue == "PLEV-6" || ddl.SelectedValue == "PLEV-7")
{
//GridView1.Columns[4].Visible = true;
}
else
{
//GridView1.Columns[4].Visible = false;
}
}
}
这样,您可以隐藏/显示整个列。在RowDataBound
每一个行大火,所以列的可见性由最后一行的下拉列表的值给出。
如果仅隐藏/显示文本框,该怎么办,如下所示:
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
Control ctrl = e.Row.FindControl("ddlPriceTypeCode");
TextBot txt = (TextBox)e.Row.FindControl("txtID");
if (ctrl != null)
{
DropDownList ddl = (DropDownList)ctrl;
if (ddl.SelectedValue == "UPRC-" || ddl.SelectedValue == "PLEV-0" || ddl.SelectedValue == "PLEV-1" || ddl.SelectedValue == "PLEV-2" || ddl.SelectedValue == "PLEV-3" || ddl.SelectedValue == "PLEV-4" || ddl.SelectedValue == "PLEV-5" || ddl.SelectedValue == "PLEV-6" || ddl.SelectedValue == "PLEV-7")
txt.Visible = true;
else
txt.Visible = false;
}
}
显然,“ txtID”是您要隐藏/显示的文本框的ID。
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