Gridview 全选 删除 操作

 

protected void Button2_Click(object sender, EventArgs e)     {         if (Button2.Text == "全选")         {             foreach (GridViewRow row in gvLog.Rows)             {                 ((CheckBox)row.Cells[7].FindControl("CheckBox1")).Checked = true;             }             Button2.Text = "全不选";         }         else         {             foreach (GridViewRow row in gvLog.Rows)             {                 ((CheckBox)row.Cells[7].FindControl("CheckBox1")).Checked = false;             }             Button2.Text = "全选";         }     }     protected void Button3_Click(object sender, EventArgs e)     {         foreach (GridViewRow row in gvLog.Rows)         {             if (((CheckBox)row.Cells[7].FindControl("CheckBox1")).Checked)             {                 string id = ((HiddenField)row.Cells[7].FindControl("HiddenField1")).Value.ToString();                 if (function.delete_data("User_Log", "UL_Id", id))                 {                 }                 else                 {                                 }             }         }         gvLogBind();     }