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?

在编辑GridView时如何避免RowDataBound

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...
}

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。