How to handle 'The source contains no DataRows. ' error

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3.00/5 (1 vote)

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Hi,

please find below code.It will through an error 'The source contains no DataRow' if ithe row is empty..How to handle this ??

C#

if (dtTemSec.Rows.Count > 0)
                   {
                       grdStepDetails.DataSource = dtTemSec.AsEnumerable()
                                       .Where(x => x.Field<string>("Status") != "D" && x.Field<string>("ID") == "ST" && x.Field<int>("Folder") == folder)
                                       .CopyToDataTable();
                       grdStepDetails.DataBind();
                       ClientScript.RegisterStartupScript(GetType(), "Val", "ShowStepPopup();", true);
                   }
                   else
                   {
                       grdStepDetails.DataSource = null;
                       grdStepDetails.DataBind();
                       ClientScript.RegisterStartupScript(GetType(), "Val", "ShowStepPopup();", true);
                   }

Posted 31-Mar-15 0:10am

jithesh a

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Member 12700993 23-Mar-21 5:41am

 public void btn_abnrmalsixnine_Click(object sender, EventArgs e)
        {
            try
            {

                DataTable dt_temp = new DataTable();
                DataSet ds = (DataSet)ViewState["GridViewData"];
                //DataTable DT_Main = (DataTable)ViewState["GridViewData"];
                DataTable DT_Main = ds.Tables[0];
                dt_temp = DT_Main.Clone();
                //Button btnEdit = (Button)sender;
                //ASPxGridView Grow = (ASPxGridView)btnEdit.NamingContainer; 
                // Session["AttendanceDate"] = Grow.RowIn
               // int fouscindex = grv_NormalabnormalSummaryReport.FocusedRowIndex;

                //GridColumn column = grv_NormalabnormalSummaryReport.Columns.FirstOrDefault();

                Session["AttendanceDate"] = grv_NormalabnormalSummaryReport.GetRowValues(grv_NormalabnormalSummaryReport.FocusedRowIndex, "AttendanceDate").ToString();
                Session["organization"] = grv_NormalabnormalSummaryReport.GetRowValues(grv_NormalabnormalSummaryReport.FocusedRowIndex, "Orgname").ToString();
                Session["OrgId "] = grv_NormalabnormalSummaryReport.GetRowValues(grv_NormalabnormalSummaryReport.FocusedRowIndex, "OrgId").ToString();
                    string organization = Session["organization"].ToString();
                    string AttendanceDate = Session["AttendanceDate"].ToString();
                    int OrgId = Convert.ToInt32(Session["OrgId "].ToString());
                    //  ASPxGridView row = (ASPxGridView)grv_NormalabnormalSummaryReport.GetSelectedFieldValues();
                    dt_temp = DT_Main.AsEnumerable().Where(r => r.Field<DateTime>("AttendanceDate").ToString() == AttendanceDate
                                                      && r.Field<string>("AttendanceStatus").ToString() == "Abnormal" &&
                                                         r.Field<int>("TravelTime") >= 6 &&
                                                         r.Field<int>("TravelTime") <= 9).CopyToDataTable();

                    grv_EmployeeList.DataSource = dt_temp;
                    grv_EmployeeList.DataBind();
                    grv_details.Text = organization.ToString();
                    popupEmployeeList.ShowOnPageLoad = true;
                    return;
            
               
            //Get Current GridView Row Attendance Date...

            //Session["AttendanceDate"] = (this.grv_NormalabnormalSummaryReport.GetRowValues(i, "id").ToString());

           
             
            }
            catch
            {

            }
        }

I am getting Same issue Please help

1 solution

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jithesh a · Accepted Answer · 2015-03-31T00:43:00

C#

if (dtTemSec.Rows.Count > 0)
                    {

                        var table = dtTemSec;
                        var rows = table.AsEnumerable().Where(x => x.Field<string>("Status") != "D" && x.Field<string>("ID") == "ST" && x.Field<int>("Folder") == folder);
                        var dt = rows.Any() ? rows.CopyToDataTable() : table.Clone();
                         grdStepDetails.DataSource =dt;
                         grdStepDetails.DataBind();
                        ClientScript.RegisterStartupScript(GetType(), "Val", "ShowStepPopup();", true);


                    }
                    else
                    {
                        grdStepDetails.DataSource = null;
                        grdStepDetails.DataBind();
                        ClientScript.RegisterStartupScript(GetType(), "Val", "ShowStepPopup();", true);
                    }