如何在gridview RowDataBound c#asp.net中创建按钮单击事件
我正在尝试在gridview c#asp.net中的rowdatabound中创建按钮并单击事件,如下代码所示如何在gridview RowDataBound c#asp.net中创建按钮单击事件,c#,asp.net,gridview,C#,Asp.net,Gridview,我正在尝试在gridview c#asp.net中的rowdatabound中创建按钮并单击事件,如下代码所示 protected void btnerror_Click(object sender, EventArgs e) { GridView gv = new GridView(); gv.RowDataBound += gv_RowDataBound; gv.RowCommand += gv_RowCommand; gv
protected void btnerror_Click(object sender, EventArgs e)
{
GridView gv = new GridView();
gv.RowDataBound += gv_RowDataBound;
gv.RowCommand += gv_RowCommand;
gv.RowCreated += gv_RowCreated;
gv.EnableViewState = true;
gv.DataSource = _dt;
gv.DataBind();
}
void gv_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
ImageButton btnUpdate = new ImageButton();
btnUpdate.ID = "btnupdate";
btnUpdate.ImageUrl = "~/SmartAdmin/Images/update.png";
btnUpdate.ToolTip = "Click Update";
btnUpdate.CommandName = "update";
btnUpdate.Click += btnUpdate_Click;
TableCell tc = new TableCell();
tc.Controls.Add(btnUpdate);
e.Row.Cells.Add(tc);
}
}
void gv_RowCommand(object sender, GridViewCommandEventArgs e)
{
if (e.CommandName == "update")
{
}
}
单击该按钮时,单击事件未触发
我犯错误的地方
谢谢您……您需要为点击事件添加功能
btnUpdate.Click += btnUpdate_Click;
protected void btnUpdate_Click(object sender, EventArgs e)
{
}
是否确实要手动创建
GridView
?我对此深表怀疑。而是以声明方式将其添加到aspx页面,并使其在b错误\u单击中可见
不要动态创建控件并在rowdabund
中注册事件处理程序,而是在每次回发时触发的rowdabund
中注册事件处理程序:
因此,在RowCreated
中创建它,但在RowDataBound
中初始化它,您也可以在那里访问数据源(如果需要)
还请注意,您应该DataBind
GridView
仅if(!IsPostBack)
而不是每次回发(如果是这种情况)。因此,在分配数据源的位置添加此检查。是否确实要手动创建GridView
?我对此深表怀疑。而是将其添加到aspx上,并使其在btnerror\u单击中可见。
void gv_RowCreated(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
ImageButton btnUpdate = new ImageButton();
btnUpdate.Click += btnUpdate_Click;
TableCell tc = new TableCell();
tc.Controls.Add(btnUpdate);
e.Row.Cells.Add(tc);
}
}
void gv_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
ImageButton btnUpdate = (ImageButton)e.Row.FindControls("btnupdate")
btnUpdate.ID = "btnupdate";
btnUpdate.ImageUrl = "~/SmartAdmin/Images/update.png";
btnUpdate.ToolTip = "Click Update";
btnUpdate.CommandName = "update";
}
}