How to Reset the Counter to Zero from Gridview in asp.net

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3        Contact Us

protected void Page_Load(object sender, EventArgs e)
    {
 
        if (!IsPostBack)
        {
            LoadGridCounterData();
        }
 
    }
 

    private void LoadGridCounterData()
    {
        SqlConnection con = new SqlConnection(_connString);
       
        
        SqlCommand cmd = new SqlCommand("Select Counter,link from linkcounter", con);
        SqlDataAdapter da = new SqlDataAdapter(cmd);
        DataSet ds = new DataSet();
        da.Fill(ds);
        GVCounter.DataSource = ds;
        GVCounter.DataBind();
    }

protected void ResetImgBtn_Click(object sender, ImageClickEventArgs e)
    {
        SqlConnection con = new SqlConnection(_connString);
 
        SqlCommand cmd = new SqlCommand();
        DataSet ds = new DataSet();
       cmd.CommandText = "Update LinkCounter Set Counter=0";
       
        cmd.Connection = con;
        con.Open();
        cmd.ExecuteNonQuery();
        con.Close();
        GVCounter.DataSource = ds;
     // GVCounter.DataBind();

        ScriptManager.RegisterStartupScript(this, this.GetType(), "RunCode", "javascript:alert('Successfully Counters Reset to Zero');", true);
    }