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New Message on BDOTNET
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From: prasanth
Message 1 in Discussion
hi , i have a problem in .NET.if anybody find solution ,please post it. i am using
two data adapters to update 2 tables namely orders and order details from sample
Northwind database.when i run the below program it shows sql exception .please suggest
me a solution. below is the sorce code:
private void button1_Click(object sender, System.EventArgs e)
{
conn = new SqlConnection("data source=RSQISERVER;initial catalog=northwind;persist
security info=False;user id=sa;password=sa;");
// GET THE MASTER
oOrdersDataAdapter = new SqlDataAdapter();
oOrdersDataAdapter.SelectCommand = new SqlCommand("SELECT * FROM Orders",conn);
SqlCommandBuilder cbOrder = new SqlCommandBuilder(oOrdersDataAdapter);
// GET THE DETAIL
daOrderDetails = new SqlDataAdapter();
daOrderDetails.SelectCommand = new SqlCommand("SELECT * FROM OrderDetails",conn);
SqlCommandBuilder cbOrderDetails = new SqlCommandBuilder(daOrderDetails);
dsOrder = new DataSet();
//ADD MASTER INTO DATASET
oOrdersDataAdapter.Fill(dsOrder,"Orders");
//ADD DETAIL INTO DATASET
daOrderDetails.Fill(dsOrder,"OrderDetails");
//ADD THE RELATIONSIP
dsOrder.Relations.Add(new
DataRelation("ParentChild",dsOrder.Tables["Orders"].Columns["OrderID"],dsOrder.Tables["OrderDetails"].Columns["OrderID"]));
//SET THE IDENTITY PROPERTIES FOR ORDERS TABLE
dsOrder.Tables["Orders"].Columns["OrderID"].AutoIncrement = true;
dsOrder.Tables["Orders"].Columns["OrderID"].AutoIncrementSeed = 0;
dsOrder.Tables["Orders"].Columns["OrderID"].AutoIncrementStep = -1;
//SET THE IDENTITY PROPERTIES FOR ORDERDETAILS TABLE
dsOrder.Tables["OrderDetails"].Columns["OrderDetID"].AutoIncrement = true;
dsOrder.Tables["OrderDetails"].Columns["OrderDetID"].AutoIncrementSeed = 0;
dsOrder.Tables["OrderDetails"].Columns["OrderDetID"].AutoIncrementStep = -1;
//BIND THE DATASET
dataGrid1.DataSource=dsOrder;
}
private void button2_Click(object sender, System.EventArgs e)
{
// UPDATE ORDER DA
oOrdersDataAdapter.Update(dsOrder,"Orders");
//UPDATE ORDER DETAIL DA
daOrderDetails.Update(dsOrder,"OrderDetails");
dsOrder.AcceptChanges();
}
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