private void SetInitialRow()
{
DataTable dt = new DataTable();
DataRow dr = null;
dt.Columns.Add(new DataColumn("Column1", typeof(string)));
dt.Columns.Add(new DataColumn("Column2", typeof(string)));
dt.Columns.Add(new DataColumn("Column3", typeof(string)));
dt.Columns.Add(new DataColumn("Column4", typeof(string)));
dr = dt.NewRow();
dr["Column1"] = string.Empty;
dr["Column2"] = string.Empty;
dr["Column3"] = string.Empty;
dr["Column4"] = string.Empty;
dt.Rows.Add(dr);
//Store the DataTable in ViewState
ViewState["CurrentTable"] = dt;
Requestdetails.DataSource = dt;
Requestdetails.DataBind();
}
//protected void Description(object sender, EventArgs e)
//{
// DropDownList dd1 = (DropDownList)sender;
// DropDownList dd2;
// GridViewRow gv = (GridViewRow)(sender as Control).Parent.Parent;
// int z = gv.RowIndex;
// dd2 = (DropDownList)Requestdetails.Rows[z].FindControl("DropDownList2");
// dd2.Text = (from x in sm.Inventories where x.Category == dd1.SelectedValue select x.Description).FirstOrDefault();
// dd2.DataBind();
//}
protected void btn_Addrequest_Click(object sender, EventArgs e)
{
int rowIndex = 0;
if (ViewState["CurrentTable"] != null)
{
DataTable dtCurrentTable = (DataTable)ViewState["CurrentTable"];
DataRow drCurrentRow = null;
if (dtCurrentTable.Rows.Count > 0)
{
for (int i = 1; i <= dtCurrentTable.Rows.Count; i++)
{
DropDownList Category =
(DropDownList)Requestdetails.Rows[rowIndex].Cells[0].FindControl("DropDownList1");
DropDownList Description =
(DropDownList)Requestdetails.Rows[rowIndex].Cells[1].FindControl("DropDownList2");
TextBox Quantity =
(TextBox)Requestdetails.Rows[rowIndex].Cells[2].FindControl("TextBox1");
TextBox Unit_Measure =
(TextBox)Requestdetails.Rows[rowIndex].Cells[3].FindControl("TextBox2");
// drCurrentRow = dtCurrentTable.NewRow();
//drCurrentRow["RowNumber"] = i + 1;
drCurrentRow = dtCurrentTable.NewRow();
drCurrentRow["Column1"] = Category.SelectedValue;
drCurrentRow["Column2"] = Description.SelectedValue;
drCurrentRow["Column3"] = Quantity.Text;
drCurrentRow["Column4"] = Unit_Measure.Text;
rowIndex++;
}
dtCurrentTable.Rows.Add(drCurrentRow);
ViewState["CurrentTable"] = dtCurrentTable;
Requestdetails.DataSource = dtCurrentTable;
Requestdetails.DataBind();
}
else
{
Response.Write("null");
}
SetPreviousData();
// ViewState["CurrentTable"] = dtCurrentTable;
//Requestdetails.DataSource = ViewState["CurrentTable"];
//Requestdetails.DataBind();
}
}
public void btn_delete(object sender, EventArgs e)
{
Button lb = (Button)sender;
GridViewRow gvRow = (GridViewRow)lb.NamingContainer;
int rowid = gvRow.RowIndex + 1;
if (ViewState["CurrentTable"] != null)
{
DataTable dt = (DataTable)ViewState["CurrentTable"];
if (dt.Rows.Count > 1)
{
if (gvRow.RowIndex < dt.Rows.Count - 1)
{
dt.Rows.Remove(dt.Rows[rowid]);
}
}
ViewState["CurrentTable"] = dt;
Requestdetails.DataSource = dt;
Requestdetails.DataBind();
}
SetPreviousData();
}
