在编辑GridView时如何避免RowDataBound
本文关键字:何避免 RowDataBound 编辑 GridView | 更新日期: 2023-09-27 18:08:38
目前,我在RowDataBound中有以下代码:
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
Label groupID = (Label)e.Row.FindControl("idgroup");
LinkButton myLink = (LinkButton)e.Row.FindControl("groupLink");
myLink.Attributes.Add("rel", groupID.Text);
}
}
但是,当我单击Edit链接时,它会尝试运行该代码并抛出错误。因此,我怎么能运行代码只有当GridView在读取模式?
方法如下!它只会在行上执行代码(当读取或编辑模式时),除了正在编辑的行!!
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
if ((e.Row.RowState == DataControlRowState.Normal) || (e.Row.RowState == DataControlRowState.Alternate))
{
Label groupID = (Label)e.Row.FindControl("idgroup");
LinkButton myLink = (LinkButton)e.Row.FindControl("groupLink");
myLink.Attributes.Add("rel", groupID.Text);
}
}
}
您可以添加如下检查:
if (e.Row.RowState != DataControlRowState.Edit)
{
// Here logic to apply only on initial DataBinding...
}
为e.Row.RowState
添加检查:
if ((e.Row.RowState & DataControlRowState.Edit) > 0)
{
//In Edit mode
}
大卫的回答几乎是正确的。但是,对于交替行,它将失败。下面是正确的解决方案:
if (e.Row.RowType == DataControlRowType.DataRow && e.Row.RowState != DataControlRowState.Edit && e.Row.RowState != (DataControlRowState.Edit | DataControlRowState.Alternate))
{
// Here logic to apply only on rows not in edit mode
}
搜索OnrowDataBound事件,它将像OnrowDataBound="GridView1_RowDataBound"删除该代码并禁用上述代码。