Develop Reference

Grid view locking button by user id

I have a gridview in my project where like twitter you can see other peoples post but i want to allow users to change there posts and because of that near every post i putted an edit button. Now my problem is i cant lock the button if the user didnt post that tweet. can you show me how i can check if the users id (a given variable) matches the tweet user id (hidden field) i thought on using the for each loop but i cant succeed using it.
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"
ShowHeader="False" onrowcommand="GridView1_RowCommand"
onrowediting="GridView1_RowEditing" OnRowCancelingEdit="GridView1_Cancel"
onrowupdating="GridView1_RowUpdating"
onrowdeleting="GridView1_RowDeleting" >
<Columns>
<asp:TemplateField HeaderText="UserName">
<ItemTemplate>
<asp:Label ID="lbl_Username" runat="server" Text='<%#Eval("UserName") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Tweet">
<ItemTemplate>
<asp:Label ID="lbl_Tweet" runat="server" Text='<%#Eval("TweetText") %>'></asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox ID="Tbx_Tweet" runat="server" Text='<%#Eval("TweetText") %>' ></asp:TextBox>
</EditItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Picture">
<ItemTemplate>
<asp:Image ID="Pic" runat="server" ImageUrl='<%#"~/UploadedImages/"+Eval("PicName") %>' />
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Like">
<ItemTemplate>
<asp:Button ID="Button1" runat="server" Text="Like" CommandName="Like" CommandArgument='<%# Container.DataItemIndex %>' />
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="ReTweet">
<ItemTemplate>
<asp:Button ID="Button2" runat="server" Text="ReTweet" CommandName="ReTweet" CommandArgument='<%# Container.DataItemIndex %>' />
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="TweetID" Visible="true">
<ItemTemplate>
<asp:Label ID="lbl_TweetID" runat="server" Text='<%#Eval("TweetID") %>' ></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="UserID" Visible="true">
<ItemTemplate>
<asp:Label ID="lbl_UserID" runat="server" Text='<%#Eval("UserID") %>' ></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField >
<ItemTemplate >
<asp:LinkButton ID="Edit" runat="server" Text="Edit" CommandName="Edit" />
</ItemTemplate>
<EditItemTemplate>
<asp:LinkButton ID="Delete" runat="server" Text="Delete" CommandName="Delete" />
<asp:LinkButton ID="btn_Update" runat="server" Text="Update" CommandName="Update"/>
<asp:LinkButton ID="btn_Cancel" runat="server" Text="Cancel" CommandName="Cancel"/>
</EditItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
.cs:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
public partial class Tweets : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
bool f = true;
if (!IsPostBack)
{
foreach (GridViewRow row in GridView1.Rows)
{
Label l = row.FindControl("UserID") as Label;
//Response.End();
//if (int.Parse(l.Text.ToString()) != 1)
//{
// Response.End();
// row.Cells[7].Visible = false;
//}
}
BindGridview();
//foreach (GridViewRow row in GridView1.Rows)
//{
// Label l = row.FindControl("UserID") as Label;
// Response.Write(l.Text);
// //if (int.Parse(l.Text.ToString()) != 1)
// //{
// // Response.End();
// // row.Cells[7].Visible = false;
// //}
//}
}
}
protected void GridView1_RowCommand(object sender, GridViewCommandEventArgs e)
{
int userId = 1;
if (e.CommandName == "Like")
{
int index = Convert.ToInt32(e.CommandArgument);
Label l = GridView1.Rows[index].FindControl("lbl_TweetID") as Label;
TweetHelper.Like(int.Parse(l.Text), userId);
}
if (e.CommandName == "ReTweet")
{
int index = Convert.ToInt32(e.CommandArgument);
Label l = GridView1.Rows[index].FindControl("lbl_TweetID") as Label;
TweetHelper.ReTweet(int.Parse(l.Text), userId);
}
}
protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
{
GridView1.EditIndex = e.NewEditIndex;
}
protected void GridView1_Cancel(object sender, GridViewCancelEditEventArgs e)
{
GridView1.EditIndex = -1;
BindGridview();
}
public void BindGridview()
{
int userId = 1;
ServiceReference1.WebServiceSoapClient objWs = new ServiceReference1.WebServiceSoapClient();
DataSet ds = objWs.SelectTweets(userId, false);
DataTable dt = ds.Tables[0];
GridView1.DataSource = dt;
foreach (GridViewRow row in GridView1.Rows)
{
Label l = row.FindControl("UserID") as Label;
//if (int.Parse(l.Text.ToString()) != 1)
//{
// Response.End();
// // row.Cells[7].Visible = false;
//}
Response.Write(l.Text);
}
//int i = 0,x=0,y=0;
//DataTable dt1 = new DataTable();
//foreach (DataRow row in dt.Rows)
//{
// foreach (object obj in row.ItemArray)
// {
// dt1.Rows.Add(dt.Rows[x][4]);
// x++;
// }
//}
//foreach (DataRow row in dt1.Rows)
//{
// foreach (object obj in row.ItemArray)
// {
// if (obj.ToString() == userId.ToString())
// {
// GridView1.Rows[i].FindControl("Buttons").Visible = true;
// }
// else
// {
// GridView1.Rows[i].FindControl("Buttons").Visible = false;
// }
// i++;
// }
//}
GridView1.DataBind();
foreach (GridViewRow row in GridView1.Rows)
{
Label l = row.FindControl("UserID") as Label;
//if (int.Parse(l.Text.ToString()) != 1)
//{
// Response.End();
// // row.Cells[7].Visible = false;
//}
Response.Write(l.Text);
}
}
protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
Label TweetID = GridView1.Rows[e.RowIndex].FindControl("lbl_TweetID") as Label;
TextBox TweetText = GridView1.Rows[e.RowIndex].FindControl("Tbx_Tweet") as TextBox;
TweetHelper.Updatetweet(int.Parse(TweetID.Text), TweetText.Text);
GridView1.EditIndex = -1;
BindGridview();
}
protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
}
}

You have more options to do it.
Create RowDataBound event handler and set up edit button Visibile/Enable property:
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
Label userIdLbl = (Label)e.Row.FindControl("lbl_UserID");
LinkButton editBt = (LinkButton)e.Row.FindControl("Edit");
editBt.Visible = currentUserId == Convert.ToInt32(userIdLbl.Text);
}
}
Create a method in your code behind to check if the userId is currentUserId and add the attribute Visible/Enable to your edit button in gridview template:
Visible='<%# IsCurentUserId((int)Eval("UserID")) %>

LinkButtons inside a Grid template to increment and decrement the lables value

protected void Gridproducts_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
HyperLink hp = new HyperLink();
hp = (HyperLink)e.Row.FindControl("linkSelectprd");
var Pid = DataBinder.Eval(e.Row.DataItem, "product_id").ToString();
var Catid = Request.QueryString["Cid"].ToString();
hp.NavigateUrl = "Sales.aspx?Cid="+Catid+"&"+"Pid="+Pid;
if (!IsPostBack && Request.QueryString["Pid"] != null)
{
this is the variable in which the value of quantity increments
int i=0;
lbltotalquantity.Text = i.ToString() + 1;
}
}
}
}
I use LinkButtons inside a Grid template. I want to be able to raise events when clicking the LinkButtons the value of lable is incremented on + link and decrementd on - link button as lable contains the quantity of Products added to invoice. How can I accomplish this?

I believe this is what you want....
You don't do the increment in RowDataBound because RowDataBound trigger when you are binding the GridView
.aspx
<asp:ScriptManager ID="sm" runat="server"></asp:ScriptManager>
<asp:UpdatePanel ID="up" runat="server" UpdateMode="Conditional">
<ContentTemplate>
<asp:GridView ID="gv" runat="server" AutoGenerateColumns="false">
<Columns>
<asp:TemplateField HeaderText="Product">
<ItemTemplate>
<asp:Label ID="lblProduct" runat="server" Text='<%# Eval("Product") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Quantity">
<ItemTemplate>
<asp:Label ID="lblQuantity" runat="server" Text="0"></asp:Label>
<asp:LinkButton ID="lbtnPlus" runat="server" Text="+" OnClick="lbtnPlus_Click"></asp:LinkButton>
<asp:LinkButton ID="lbtnMinus" runat="server" Text="-" OnClick="lbtnMinus_Click"></asp:LinkButton>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="gv" />
</Triggers>
</asp:UpdatePanel>
.cs
protected void Page_Load(object sender, EventArgs e)
{
// Check
if (!IsPostBack)
{
// Variable
string[] product = { "Dell", "Asus", "Acer", "Toshiba", "Fujishu", "VAIO" };
DataTable dt = new DataTable();
dt.Columns.Add("Product");
for (int i = 0; i < product.Length; i++)
dt.Rows.Add(product[i]);
gv.DataSource = dt;
gv.DataBind();
// Dispose
dt.Dispose();
}
}
private void DoTheMath(GridViewRow row, bool isAdd)
{
// Variable
bool isNumber = false;
int currentValue = 0;
// Find Control
Label lblQuantity = row.FindControl("lblQuantity") as Label;
// Check
if (lblQuantity != null)
{
// Check
if (lblQuantity.Text.Trim() != string.Empty)
{
isNumber = int.TryParse(lblQuantity.Text.Trim(), out currentValue);
// Check
if (isNumber)
{
// Is Add
if (isAdd)
currentValue++;
else
{
// Check cannot be less than 0
if (currentValue > 0)
currentValue--;
}
}
// Set to TextBox
lblQuantity.Text = currentValue.ToString();
}
}
}
protected void lbtnPlus_Click(object sender, EventArgs e)
{
// Get
LinkButton lbtn = sender as LinkButton;
GridViewRow row = lbtn.NamingContainer as GridViewRow;
DoTheMath(row, true);
}
protected void lbtnMinus_Click(object sender, EventArgs e)
{
// Get
LinkButton lbtn = sender as LinkButton;
GridViewRow row = lbtn.NamingContainer as GridViewRow;
DoTheMath(row, false);
}

Disable/ Hide a control inside a specific row of GridView

I have below code to create a gridview in asp.net and inside gridview I have a delete button. Below code works fine and shows Delete in all rows.
I want to hide/ Disable the Delete button in very first row. Can somebody suggest the code part?
<asp:gridview ID="Gridview1" runat="server"
ShowFooter="true" AutoGenerateColumns="false">
<Columns>
<asp:BoundField DataField="RowNumber" HeaderText="Row Number" />
<asp:TemplateField HeaderText="Cat">
<ItemTemplate>
<asp:TextBox ID="TextBoxCat" runat="server" Enabled="false"></asp:TextBox>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Delete" >
<ItemTemplate>
<asp:LinkButton ID="DeleteItemsGridRowButton" runat="server">Delete</asp:LinkButton>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:gridview>

You can use GridView.RowDataBound Event event.
Then find the LinkButton using FindControl method.
public class Animal
{
public int RowNumber { get; set; }
public string Name { get; set; }
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
Gridview1.DataSource = new List<Animal>
{
new Animal {RowNumber = 1, Name = "One"},
new Animal {RowNumber = 2, Name = "Two"},
new Animal {RowNumber = 3, Name = "Three"},
new Animal {RowNumber = 4, Name = "Four"},
};
Gridview1.DataBind();
}
}
private int _counter;
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
if (_counter == 0)
{
var linkButton = e.Row.FindControl("DeleteItemsGridRowButton")
as LinkButton;
linkButton.Visible = false;
_counter++;
}
}
}

Try This:
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
if(GridView1.Rows.Count>0)
{
//GridView1.Rows[0].Visible = false;
LinkButton DeleteItemsGridRowButton= (LinkButton) GridView1.Rows[0].FindControl("DeleteItemsGridRowButton");
if(DeleteItemsGridRowButton!=null)
{
DeleteItemsGridRowButton.Visible=false
}
}
}

Manually updating RADGrid

I have this manually update code for my radgrid (RAD13).
on upload it works but the thing is that only the first row in the grid saves it's update.
I think that I should passe a value that will autoincrement to passe through rows
protected void UpdateButton_Click(object sender, EventArgs e)
{
RadGrid grid = (this.FindControl("RAD13") as RadGrid);
(grid.MasterTableView.GetItems(GridItemType.EditItem)[0] as GridEditableItem).FireCommandEvent(RadGrid.UpdateCommandName, string.Empty);
}

Please try with the below code snippet.
ASPX
<telerik:RadGrid ID="RadGrid1" runat="server" AutoGenerateColumns="false" OnNeedDataSource="RadGrid1_NeedDataSource"
OnUpdateCommand="RadGrid1_UpdateCommand" AllowFilteringByColumn="true" AllowPaging="true"
AllowMultiRowEdit="true">
<MasterTableView DataKeyNames="ID" EditMode="InPlace">
<Columns>
<telerik:GridBoundColumn DataField="ID" UniqueName="ID" HeaderText="ID">
</telerik:GridBoundColumn>
<telerik:GridEditCommandColumn>
</telerik:GridEditCommandColumn>
</Columns>
</MasterTableView>
</telerik:RadGrid>
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="update All edit row" />
ASPX.CS
protected void RadGrid1_NeedDataSource(object sender, GridNeedDataSourceEventArgs e)
{
dynamic data = new[] {
new { ID = 1, Name = "Name1"},
new { ID = 2, Name = "Name2"},
new { ID = 3, Name = "Name3"},
new { ID = 4, Name = "Name4"},
new { ID = 5, Name = "Name5"}
};
RadGrid1.DataSource = data;
}
protected void RadGrid1_UpdateCommand(object sender, GridCommandEventArgs e)
{
GridEditableItem item = e.Item as GridEditableItem;
UpdateLogic(item);
}
protected void Button1_Click(object sender, EventArgs e)
{
foreach (GridEditableItem item in RadGrid1.EditItems)
{
UpdateLogic(item);
item.Edit = false;
}
RadGrid1.Rebind();
}
protected void UpdateLogic(GridEditableItem item)
{
// perform your update logic here
}
Let me know if any concern.

GridView OnRowUpdating does not fire due to CommandName="edit"

I already spend 2 days trying to solve this issue but no luck on how to solve this. I have a GridView to display data from the database then it also have functionality to modify and delete. This is the current ASP code for my GridView:
<asp:GridView ID="dgvSortKey" runat="server" AllowSorting="True" OnRowDataBound="gv_drb"
AutoGenerateColumns="False" AllowPaging="True" BackColor="White" BorderColor="#336666"
BorderStyle="Double" BorderWidth="3px" CellPadding="4" GridLines="Horizontal"
Height="73px" AutoGenerateEditButton="True" OnRowEditing="dgvSortKey_RowEditing"
OnRowUpdating="dgvSortKey_RowUpdating" OnRowCancelingEdit="dgvSortKey_RowCancelingEdit"
OnSelectedIndexChanging="dgvSortKey_SelectedIndexChanging" OnPageIndexChanged="dgvSortKey_PageIndexChanged"
OnPageIndexChanging="dgvSortKey_PageIndexChanging" OnRowCommand="dgvSortKey_RowCommand"
OnRowDeleted="dgvSortKey_RowDeleted" OnRowUpdated="dgvSortKey_RowUpdated" Width="561px"
PageSize="15" DataKeyNames="KeyCode,KeyDescription">
<FooterStyle BackColor="White" ForeColor="#333333" />
<RowStyle BackColor="White" ForeColor="#333333" />
<PagerStyle BackColor="#336666" ForeColor="White" HorizontalAlign="Center" />
<SelectedRowStyle BackColor="#339966" Font-Bold="True" ForeColor="White" />
<HeaderStyle BackColor="#336666" Font-Bold="True" ForeColor="White" HorizontalAlign="Center" />
<AlternatingRowStyle BackColor="LightCyan" />
<Columns>
<asp:TemplateField HeaderText="">
<ItemTemplate>
<asp:LinkButton ID="lnkdelete" runat="server" OnClick="lnkdelete_Click">Delete</asp:LinkButton>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Instruction Key Code">
<ItemTemplate>
<asp:Label ID="lblValKeyCode" runat="server" Text='<%#System.Web.HttpUtility.HtmlEncode((string)Eval("KeyCode")) %>'></asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox ID="txtValKeyCode" runat="server" Text='<%#Bind("KeyCode") %>' MaxLength="10"
CausesValidation="false"></asp:TextBox>
</EditItemTemplate>
<ItemStyle HorizontalAlign="Center" VerticalAlign="Middle" CssClass="GvBorderGreen" />
</asp:TemplateField>
<asp:TemplateField HeaderText="Description">
<ItemTemplate>
<asp:Label ID="lblValKeyDescription" runat="server" Text='<%#System.Web.HttpUtility.HtmlEncode((string)Eval("KeyDescription")) %>'></asp:Label>
</ItemTemplate>
<EditItemTemplate>
<asp:TextBox ID="txtValKeyDescription" runat="server" Text='<%#Bind("KeyDescription") %>'
Width="300" MaxLength="20" CausesValidation="false"></asp:TextBox>
</EditItemTemplate>
<ItemStyle CssClass="GvBorderGreen" />
</asp:TemplateField>
</Columns>
</asp:GridView>
The problem is I can't update a certain record after click the Update Button, please see the image below:
When I'm in debug mode, it does not pass on OnRowUpdating event instead it passes to OnRowEditing. One thing that it makes me surprise is that when it fires to OnRowCommand, the CommandName set to "Edit" when Update Button is clicked. Please see the image below:
BTW this the Code Behind.
protected void dgvSortKey_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
//Currently Unreachable code due to unknown reason. RowUpdating not trigger even clicking Update Button in the GridView
// this.dvDetialContent.Visible = true;
List<SqlDbParameter> list = new List<SqlDbParameter>();
TextBox txtValKeyDescription = dgvSortKey.Rows[e.RowIndex].FindControl("txtValKeyDescription") as TextBox;
TextBox txtValKeyCode = dgvSortKey.Rows[e.RowIndex].FindControl("txtValKeyCode") as TextBox;
if (string.IsNullOrEmpty(txtValKeyCode.Text) || string.IsNullOrEmpty(txtValKeyDescription.Text))
{
string alert = "alert('Instruction KeyCode or KeyDecription should not be empty');";
ScriptManager.RegisterStartupScript(this, this.GetType(), "scripting", alert, true);
}
else
{
//Trace.Write("txtKeyCode", HttpUtility.HtmlDecode(txtKeyCode.Text));
//Trace.Write("txtKeyDescription", txtKeyDescription.Text);
//Trace.Write("txtValKeyCode", txtValKeyCode.Text);
//Trace.Write("txtValKeyDescription", txtValKeyDescription.Text);
list.Add(new SqlDbParameter("#oldcode", HttpUtility.HtmlDecode(txtKeyCode.Text)));
list.Add(new SqlDbParameter("#oldname", HttpUtility.HtmlDecode(txtKeyDescription.Text)));
list.Add(new SqlDbParameter("#newcode", HttpUtility.HtmlDecode(txtValKeyCode.Text)));
list.Add(new SqlDbParameter("#newname", HttpUtility.HtmlDecode(txtValKeyDescription.Text)));
try
{
int result = CoreUtility.ExecuteNonQuery("update InstructionKey set KeyCode=#newcode, KeyDescription=#newname where KeyCode = #oldcode and KeyDescription = #oldname", list);
//Trace.Write("ResultValue", result.ToString());
}
catch (Exception ex)
{
string alert = "alert('Instruction KeyCode should not be duplicate');";
ScriptManager.RegisterStartupScript(this, this.GetType(), "scripting2", alert, true);
}
}
dgvSortKey.EditIndex = -1;
imgbtnFilter_Click(null, null);
this.txtKeyCode.Text = "";
this.txtKeyDescription.Text = "";
}
protected void dgvSortKey_RowEditing(object sender, GridViewEditEventArgs e)
{
// this.dvDetialContent.Visible = true;
//if (ViewState["updateFlag"] == null)
//{
//ViewState["editFlag"] = "forEdit";
//ViewState["editIndex"] = e.NewEditIndex;
dgvSortKey.EditIndex = e.NewEditIndex;
Label lblValKeyDescription = dgvSortKey.Rows[e.NewEditIndex].FindControl("lblValKeyDescription") as Label;
Label lblValKeyCode = dgvSortKey.Rows[e.NewEditIndex].FindControl("lblValKeyCode") as Label;
this.txtKeyCode.Text = lblValKeyCode.Text;
this.txtKeyDescription.Text = lblValKeyDescription.Text;
imgbtnFilter_Click(null, null);
//}
//else
//{
//RowUpdate((int)ViewState["editIndex"]);
//ViewState.Remove("updateFlag");
//ViewState.Remove("editFlag");
//ViewState.Remove("editIndex");
//}
}
protected void dgvSortKey_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
dgvSortKey.EditIndex = -1;
imgbtnFilter_Click(null, null);
}
protected void dgvSortKey_SelectedIndexChanging(object sender, GridViewSelectEventArgs e)
{
this.dvDetialContent.Visible = true;
Label lblValKeyDescription = dgvSortKey.Rows[e.NewSelectedIndex].FindControl("lblValKeyDescription") as Label;
Label lblValKeyCode = dgvSortKey.Rows[e.NewSelectedIndex].FindControl("lblValKeyCode") as Label;
this.txtKeyCode.Text = lblValKeyCode.Text;
this.txtKeyDescription.Text = lblValKeyDescription.Text;
}
protected void dgvSortKey_PageIndexChanged(object sender, EventArgs e)
{
}
protected void dgvSortKey_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
dgvSortKey.PageIndex = e.NewPageIndex;
imgbtnFilter_Click(null, null);
}
protected void dgvSortKey_RowUpdated(object sender, GridViewUpdatedEventArgs e)
{
}
protected void dgvSortKey_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
String jsScript = "";
jsScript += "var answer=confirm('Delete this Instruction Key?');\n";
jsScript += "if (!answer){\n";
jsScript += " document.getElementById('ctl00_cthContent_hdDelete').Value = 'DELETE';\n";
jsScript += "}\n";
//return;
ScriptManager.RegisterStartupScript(this, this.GetType(), "script", jsScript, true);
List<SqlDbParameter> list = new List<SqlDbParameter>();
Label lblValKeyCode = dgvSortKey.Rows[e.RowIndex].FindControl("lblValKeyCode") as Label;
Label lblValKeyDescription = dgvSortKey.Rows[e.RowIndex].FindControl("lblValKeyDescription") as Label;
list.Add(new SqlDbParameter("#code", lblValKeyCode.Text));
list.Add(new SqlDbParameter("#name", lblValKeyDescription.Text));
CoreUtility.ExecuteNonQuery("DELETE FROM [InstructionKey] WHERE KeyCode=#code and KeyDescription=#name;", list);
Initial();
this.dvDetialContent.Visible = false;
dgvSortKey.EditIndex = -1;
imgbtnFilter_Click(null, null);
}
protected void dgvSortKey_RowCommand(object sender, GridViewCommandEventArgs e)
{
string id = e.CommandName;
}
protected void dgvSortKey_RowDeleted(object sender, GridViewDeletedEventArgs e)
{
}
protected void gv_drb(object sender, GridViewRowEventArgs e)//
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
LinkButton lnkbtnresult = (LinkButton)e.Row.FindControl("lnkdelete");
//raising javascript confirmationbox whenver user clicks on link button
lnkbtnresult.Attributes.Add("onclick", "javascript:return ConfirmationBox()");
}
}

While I have not figured out the bug, there is a workaround you may want to try.
Since the autogenerated edit button is giving you trouble, why not generate it yourself?
Like this:
<asp:TemplateField HeaderText="">
<ItemTemplate>
<asp:LinkButton ID="lnkedit" runat="server" CommandName="Edit">Edit</asp:LinkButton>
</ItemTemplate>
<EditItemTemplate>
<asp:LinkButton ID="lnkedit" runat="server" CommandName="Update">Update</asp:LinkButton>
<asp:LinkButton ID="lnkedit" runat="server" CommandName="Cancel">Cancel</asp:LinkButton>
</EditItemTemplate>
</asp:TemplateField>
And handle it in your code behind:
void dgvSortKey_RowCommand(Object sender, GridViewCommandEventArgs e)
{
// If multiple buttons are used in a GridView control, use the
// CommandName property to determine which button was clicked.
if(e.CommandName=="Update")
{
}
}