private void SetInitRowReq()
{
DataTable dt = new DataTable();
DataRow dr = null;
dt.Columns.Add(new DataColumn("PRODUCTS", typeof(string)));
dt.Columns.Add(new DataColumn("QUANTITY", typeof(string)));
dt.Columns.Add(new DataColumn("RATE", typeof(string)));
dt.Columns.Add(new DataColumn("AMOUNT", typeof(string)));
dt.Columns.Add(new DataColumn("NARRATION", typeof(string)));
dr = dt.NewRow();
dr["PRODUCTS"] = string.Empty;
dr["QUANTITY"] = string.Empty;
dr["RATE"] = string.Empty;
dr["AMOUNT"] = string.Empty;
dr["NARRATION"] = string.Empty;
dt.Rows.Add(dr);
//Store the DataTable in ViewState
ViewState["dt_adItm"] = dt;
GVDetReq.DataSource = dt;
GVDetReq.DataBind();
}
private void AddNewRow()
{
int rowIndex = 0;
if (ViewState["dt_adItm"] != null)
{
DataTable dt = (DataTable)ViewState["dt_adItm"];
DataRow drRow = null;
if (dt.Rows.Count > 0)
{
for (int i = 1; i <= dt.Rows.Count; i++)
{
//extract the TextBox values
DropDownList DDLPro = (DropDownList)GVDetReq.Rows[rowIndex].Cells[0].FindControl("DDL_Pro");
TextBox TBProQty = (TextBox)GVDetReq.Rows[rowIndex].Cells[1].FindControl("TBProQty");
TextBox TBProrat = (TextBox)GVDetReq.Rows[rowIndex].Cells[2].FindControl("TBProrat");
TextBox TBAmt = (TextBox)GVDetReq.Rows[rowIndex].Cells[3].FindControl("TBAmt");
TextBox TBNarr = (TextBox)GVDetReq.Rows[rowIndex].Cells[4].FindControl("TBNarr");
drRow = dt.NewRow();
dt.Rows[i - 1]["PRODUCTS"] = DDLPro.Text;
dt.Rows[i - 1]["QUANTITY"] = TBProQty.Text;
dt.Rows[i - 1]["RATE"] = TBProrat.Text;
dt.Rows[i - 1]["AMOUNT"] = TBAmt.Text;
dt.Rows[i - 1]["NARRATION"] = TBNarr.Text;
rowIndex++;
float GTotal = 0;
for (int j = 0; j < GVDetReq.Rows.Count; j++)
{
TextBox total = (TextBox)GVDetReq.Rows[j].FindControl("TBAmt");
//GTotal = Convert.ToSingle(TbAddPurNetTtl.Text);
GTotal += Convert.ToSingle(total.Text);
}
TBGrssTotal.Text = GTotal.ToString();
}
dt.Rows.Add(drRow);
ViewState["dt_adItm"] = dt;
GVDetReq.DataSource = dt;
GVDetReq.DataBind();
}
}
else
{
Response.Write("ViewState is null");
}
//Set Previous Data on Postbacks
SetPreRowReq();
}
