[英]Delete Selected Dynamic Checkboxes on Gridview ASP.NET
我有一個gridview包含來自數據庫的數據。 我已經為每行動態創建了復選框。 我想要的是,當我單擊“刪除所選內容”按鈕時,選中的復選框將被刪除。 但是當我單擊按鈕時,行不會被刪除。 這是按鈕的代碼:
protected void btnDeleteSelectedServiceProvidersLocations_Click(object sender, EventArgs e)
{
int x = 102;
string delete;
foreach (GridViewRow grow in gvServiceProviders.Rows)
{
delete = Request.Form["gvServiceProviders$ct" + x + "$cbSelect"];
if (delete != null || delete == "on" || delete == "y")
{
bll.ServiceProviderLocationID = grow.Cells[1].Text;
bll.IsDeleted = "y";
bll.ServiceProviderLocationDelete();
}
x++;
}
gvServiceProviders.DataSource = bll.GetServiceProviderLocations();
gvServiceProviders.DataBind();
}
如果有幫助,gridview在更新面板中。 我正在使用三層方法。
ASPX代碼:
<div ID="gridView">
<asp:GridView ID="gvServiceProviders" runat="server">
<Columns>
<asp:templatefield HeaderText="Select">
<itemtemplate>
<asp:CheckBox ID="cbSelect" runat="server"/>
</itemtemplate>
</asp:templatefield>
</Columns>
</asp:GridView>
</div>
您希望在選中復選框后刪除數據,然后可以執行以下操作,
foreach (GridViewRow grow in gvServiceProviders.Rows)
{
//Make sure it is datarow
if(grow.RowType = RowType.DataControlRowType.DataRow)
{
//Finiding checkbox control in gridview for particular row
CheckBox chkdelete = (CheckBox)grow.FindControl("cbSelect");
//Make sure if checkbox is selected for the processing row
if(chkdelete.Checked)
{
//Getting your datakey value
bll.ServiceProviderLocationID = Convert.ToInt32(gvServiceProviders.DataKeys[grow.RowIndex].Value);
bll.IsDeleted = "y";
bll.ServiceProviderLocationDelete();
}
}
}
gvServiceProviders.DataSource = bll.GetServiceProviderLocations();
gvServiceProviders.DataBind();
由於這是使用gridview的datakey
,因此需要使用datakey
設置gridview的DataKey
屬性。
Try this code:
protected void btnDelete_Click(object sender, EventArgs e)
{
foreach (GridViewRow gvrow in gvDetails.Rows)
{
//Finiding checkbox control in gridview for particular row
CheckBox chkdelete = (CheckBox)gvrow.FindControl("chkSelect");
//Condition to check checkbox selected or not
if (chkdelete.Checked)
{
//Getting UserId of particular row using datakey value
int usrid = Convert.ToInt32(gvDetails.DataKeys[gvrow.RowIndex].Value);
using (SqlConnection con = new SqlConnection("Data Source=Test;Integrated Security=true;Initial Catalog=MySampleDB"))
{
con.Open();
SqlCommand cmd = new SqlCommand("delete from UserDetails where UserId=" + usrid, con);
cmd.ExecuteNonQuery();
con.Close();
}
}
}
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