| re: DataGrid problem
i'm sorry but there is an error in the code i posted earlier (SEE
//CORRECTION). pls. use this one:
private void Page_Load(object sender, System.EventArgs e)
{
DataTable dataTable;
DataColumn dataColumn;
DataRow dataRow;
dataTable = new DataTable("ratesTable");
dataColumn = new DataColumn();
dataColumn.ColumnName = "task";
dataColumn.DataType = System.Type.GetType("System.Int32");
dataColumn.AutoIncrement = true;
dataColumn.Caption = "Task";
dataColumn.ReadOnly = true;
dataColumn.Unique = true;
dataTable.Columns.Add(dataColumn);
DataColumn dataColumn2;
dataColumn2 = new DataColumn();
dataColumn2.DataType = System.Type.GetType("System.String");
dataColumn2.ColumnName = "consultantCategory";
dataColumn2.AutoIncrement = false;
dataColumn2.Caption = "Consultant Category";
dataColumn2.ReadOnly = true;
dataColumn2.Unique = true;
dataTable.Columns.Add(dataColumn2);
DataColumn dataColumn3;
dataColumn3 = new DataColumn();
dataColumn3.ColumnName = "rate";
dataColumn3.DataType = System.Type.GetType("System.Currency");
dataColumn3.AutoIncrement = false;
dataColumn3.Caption = "Rate";
dataColumn3.ReadOnly = true;
dataColumn3.Unique = false;
dataTable.Columns.Add(dataColumn3);
DataColumn dataColumn4;
dataColumn4 = new DataColumn();
dataColumn4.ColumnName = "hours";
dataColumn4.DataType = System.Type.GetType("System.Int32");
dataColumn4.AutoIncrement = false;
dataColumn4.Caption = "Hours";
dataColumn4.ReadOnly = true;
dataColumn4.Unique = false;
dataTable.Columns.Add(dataColumn4);
DataColumn dataColumn5;
dataColumn5 = new DataColumn();
dataColumn5.ColumnName = "subTotal";
dataColumn5.DataType = System.Type.GetType("System.Int32");
dataColumn5.AutoIncrement = false;
dataColumn5.Caption = "Sub-Total";
dataColumn5.ReadOnly = true;
dataColumn5.Unique = false;
dataTable.Columns.Add(dataColumn5);
dataRow = dataTable.NewRow();
dataRow["task"] = 1;
dataRow["consultantCategory"] = "BILLABLE TRAVEL EXPENSES";
dataRow["hours"] = 0;
dataRow["rate"] = 0;
dataRow["subTotal"] = 0;
dataTable.Rows.Add(dataRow);
dataRow = dataTable.NewRow();
dataRow["task"] = 2;
dataRow["consultantCategory"] = "UNBILLABLE TRAVEL EXPENSES";
dataRow["hours"] = 0;
dataRow["rate"] = 0;
dataRow["subTotal"] = 0;
dataTable.Rows.Add(dataRow);
dataRow = dataTable.NewRow();
dataRow["task"] = 3;
dataRow["consultantCategory"] = "BILLABLE FREIGHT";
dataRow["hours"] = 0;
dataRow["rate"] = 0;
dataRow["subTotal"] = 0;
dataTable.Rows.Add(dataRow);
Session["DataTable"] = "ratesTable";
pnlGrid.Visible = true; //panel that contains the DataGrid
pnlWO.Visible = true;
pnlPrintWO.Visible = false;
}
private void btnAddAnotherLaborCategory_Click(object sender,
System.EventArgs e)
{
DataTable dataTable;
DataRow dataRow;
dataTable = (DataTable)Session["DataTable"]; //CORRECTION
dataRow = dataTable.NewRow();
dataRow["task"] = dataTable.Rows.Count + 1;
dataRow["consultantCategory"] = ddlConsultantCategory.SelectedValue;
dataRow["hours"] = txtHours.Text.Trim();
dataRow["rate"] = txtRate.Text.Trim();
dataRow["subTotal"] = txtSubtotal.Text.Trim();
dataTable.Rows.Add(dataRow);
dgResults.DataSource = dataTable;
pnlGrid.Visible = true; //panel that contains the DataGrid
pnlWO.Visible = true;
pnlPrintWO.Visible = false;
dgResults.Visible = true;
}
"Newbie" wrote:
[color=blue]
> I am using a Datagrid to show the contents of a DataTable. But it seems like
> the Datagrid is not getting the contents of the Datatable when the button (
> btnAddAnotherLaborCategory) is clicked.
>
> private void Page_Load(object sender, System.EventArgs e)
> {
> DataTable dataTable;
> DataColumn dataColumn;
> DataRow dataRow;
> dataTable = new DataTable("ratesTable");
> dataColumn = new DataColumn();
> dataColumn.ColumnName = "task";
> dataColumn.DataType = System.Type.GetType("System.Int32");
> dataColumn.AutoIncrement = true;
> dataColumn.Caption = "Task";
> dataColumn.ReadOnly = true;
> dataColumn.Unique = true;
> dataTable.Columns.Add(dataColumn);
>
> DataColumn dataColumn2;
> dataColumn2 = new DataColumn();
> dataColumn2.DataType = System.Type.GetType("System.String");
> dataColumn2.ColumnName = "consultantCategory";
> dataColumn2.AutoIncrement = false;
> dataColumn2.Caption = "Consultant Category";
> dataColumn2.ReadOnly = true;
> dataColumn2.Unique = true;
> dataTable.Columns.Add(dataColumn2);
>
> DataColumn dataColumn3;
> dataColumn3 = new DataColumn();
> dataColumn3.ColumnName = "rate";
> dataColumn3.DataType = System.Type.GetType("System.Currency");
> dataColumn3.AutoIncrement = false;
> dataColumn3.Caption = "Rate";
> dataColumn3.ReadOnly = true;
> dataColumn3.Unique = false;
> dataTable.Columns.Add(dataColumn3);
>
> DataColumn dataColumn4;
> dataColumn4 = new DataColumn();
> dataColumn4.ColumnName = "hours";
> dataColumn4.DataType = System.Type.GetType("System.Int32");
> dataColumn4.AutoIncrement = false;
> dataColumn4.Caption = "Hours";
> dataColumn4.ReadOnly = true;
> dataColumn4.Unique = false;
> dataTable.Columns.Add(dataColumn4);
>
> DataColumn dataColumn5;
> dataColumn5 = new DataColumn();
> dataColumn5.ColumnName = "subTotal";
> dataColumn5.DataType = System.Type.GetType("System.Int32");
> dataColumn5.AutoIncrement = false;
> dataColumn5.Caption = "Sub-Total";
> dataColumn5.ReadOnly = true;
> dataColumn5.Unique = false;
> dataTable.Columns.Add(dataColumn5);
>
> dataRow = dataTable.NewRow();
> dataRow["task"] = 1;
> dataRow["consultantCategory"] = "BILLABLE TRAVEL EXPENSES";
> dataRow["hours"] = 0;
> dataRow["rate"] = 0;
> dataRow["subTotal"] = 0;
> dataTable.Rows.Add(dataRow);
> dataRow = dataTable.NewRow();
> dataRow["task"] = 2;
> dataRow["consultantCategory"] = "UNBILLABLE TRAVEL EXPENSES";
> dataRow["hours"] = 0;
> dataRow["rate"] = 0;
> dataRow["subTotal"] = 0;
> dataTable.Rows.Add(dataRow);
> dataRow = dataTable.NewRow();
> dataRow["task"] = 3;
> dataRow["consultantCategory"] = "BILLABLE FREIGHT";
> dataRow["hours"] = 0;
> dataRow["rate"] = 0;
> dataRow["subTotal"] = 0;
> dataTable.Rows.Add(dataRow);
> Session["DataTable"] = "ratesTable";
>
> }
>
> private void btnAddAnotherLaborCategory_Click(object sender,
> System.EventArgs e)
> {
> DataTable dataTable;
> DataRow dataRow;
> dataTable = (DataTable)Session["ratesTable"];
> dataRow = dataTable.NewRow();
> dataRow["task"] = dataTable.Rows.Count + 1;
> dataRow["consultantCategory"] = ddlConsultantCategory.SelectedValue;
> dataRow["hours"] = txtHours.Text.Trim();
> dataRow["rate"] = txtRate.Text.Trim();
> dataRow["subTotal"] = txtSubtotal.Text.Trim();
> dataTable.Rows.Add(dataRow);
> dgResults.DataSource = dataTable;
> pnlGrid.Visible = true;
> pnlWO.Visible = true;
> pnlPrintWO.Visible = false;
> dgResults.Visible = true;
> }[/color]
| 
