//function that sets the form to the information of the selected primary key
private void BindData(int tableID)
{
//if the class if doesn't equal -1, set the page up as an update
if (tableID != -1)
{
//make the button say update
btnAddUpdate.Text = "Update";
//instantiate a new class of the form type, passing in the routeData primary key
se256_Dobachesky.Table aTable = new se256_Dobachesky.Table(tableID);
//if the data exists, fill the form with it's information
if (aTable != null)
{
txtName.Text = aTable.tbl_name;
txtDesc.Text = aTable.tbl_desc;
ddlSection.SelectedValue = aTable.sect_id.ToString();
txtSeatCount.Text = aTable.tbl_seat_cnt.ToString();
chkIsActive.Checked = aTable.tbl_active;
}
}
//if the class does equal -1, set the form up as an add
else
{
btnAddUpdate.Text = "Add";
}
}
protected void btnAddUpdate_Click(object sender, EventArgs e)
{
//instantiate a new class
se256_Dobachesky.Table aTable;
//if the routedata information exists, finish the class by passing in the primary key id
if (RouteData.Values["tableID"] != null)
{
aTable = new se256_Dobachesky.Table(Convert.ToInt32(RouteData.Values["tableID"].ToString()));
}
//if the routedata information does not exist, finish the class with a blank class
else
{
aTable = new se256_Dobachesky.Table();
}
//set the object's properties to be equal to the information on the form
aTable.sect_id = Convert.ToInt32(ddlSection.SelectedValue.ToString());
aTable.tbl_name = txtName.Text.Trim();
aTable.tbl_desc = txtDesc.Text.Trim();
aTable.tbl_seat_cnt = Convert.ToInt32(txtSeatCount.Text.Trim());
aTable.tbl_active = Convert.ToBoolean(chkIsActive.Checked.ToString());
//if the primary key exists go forward with the update
if (aTable.tbl_id > 0)
{
//run the update method, and if it fails display an error message in a label
if (se256_Dobachesky.Table.UpdateTable(aTable))
{
Response.Redirect("/Admin/Tables");
}
else
{
lblMessage.Text = "Table update failed!";
}
}
//if the primary key does not exist it is because the record does not exist yet, go forward with the add
else
{
//run the insert method, and if it fails display an error message in a label
if (se256_Dobachesky.Table.InsertTable(aTable))
{
Response.Redirect("/Admin/Tables");
}
else
{
lblMessage.Text = "Table insert failed!";
}
}
}
public static bool UpdateTable(se256_Dobachesky.Table aTable)
{
//start out with the boolean value at false
bool blnSuccess = false;
//create sql connection object that gets connection string from web.config
SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["SE256_CS"].ConnectionString);
//create sql command as stored procedure
SqlCommand cmd = new SqlCommand("tables_update", conn);
//set the command as a stored procedure
cmd.CommandType = CommandType.StoredProcedure;
//add the parameters to be used in the update method
cmd.Parameters.Add("@tbl_id", SqlDbType.Int).Value = aTable.tbl_id;
cmd.Parameters.Add("@sect_id", SqlDbType.Int).Value = aTable.sect_id;
cmd.Parameters.Add("@tbl_name", SqlDbType.VarChar).Value = aTable.tbl_name;
cmd.Parameters.Add("@tbl_desc", SqlDbType.VarChar).Value = aTable.tbl_desc;
cmd.Parameters.Add("@tbl_seat_cnt", SqlDbType.Int).Value = aTable.tbl_seat_cnt;
cmd.Parameters.Add("@tbl_active", SqlDbType.Bit).Value = aTable.tbl_active;
//try to open the connection and run the command, then set the boolean value to true
try
{
conn.Open();
cmd.ExecuteNonQuery();
blnSuccess = true;
}
//prepare the error as a string and set boolean value to false
catch (Exception e)
{
e.ToString();
blnSuccess = false;
}
//close the connection
finally
{
conn.Close();
}
//return the boolean containing information as to of if the operation was a success or not
return(blnSuccess);
}
