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I am trying to insert value in two table OrderDetails And CustOrder using transaction but it gives me error: You cannot add or change a record because a related record is required in table.
Code :
private void FunInsOrderDetails()
         using (OleDbConnection connection = new OleDbConnection(DataConnection.constring))
          OleDbTransaction transaction = null;
              OleDbCommand command = connection.CreateCommand();                  
              transaction = connection.BeginTransaction(); // Assign Transaction to Command
              command.Transaction = transaction;
command.CommandText= "insert into Custorder values('" + cmbOrderType.Text + "'," + txtOrderNo.Text + ",'" + dtpDate.Value.ToString("yyyy-MM-dd") + "','" + txtYourOrderNo.Text + "'," + cmbCustName.SelectedValue.ToString() + ")";                  

After inserting into the first table try to fetch OrderId from Custorder table
using Query:
str="Select OrderId from Custorder where OrderNo="+txtOrderNo.Text+" AND OrderType='"+cmbOrderType.Text+"'";
              int OrderId = dc.RetutnID(str);

i want to insert OrderId value in OrderDetails table but it gives me a error:
You cannot add or change a record because a related record is required in table
Updated 23-Apr-14 18:23pm
Sunasara Imdadhusen 22-Apr-14 7:19am
Please share structure of both tables.
Brahmmam 23-Apr-14 6:06am
is there any foreign key relation for those tables?
NABIN SEN 24-Apr-14 0:29am
OrderId is primary key in Custorder table and foreign key in OrderDetails table
Brahmmam 24-Apr-14 0:54am
you cannot change values other than OrderId column values in Custorder table because OrderDetails table's Foreighn key is assosiated with primary key in Custorder table.
NABIN SEN 25-Apr-14 0:04am
i am not changing OrderId columns in Custorder table.

1 solution

It is may be data you are entering is not saving in the database, due to some error at sql side it may be rolled back . and in next step you are fetching the order id key.

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