违反了primary key约束pk_logininfo,不能在对象dbo_logininfo中插入重复键.

Question

1. 保存时出错!
   

private void employeeInfoBindingNavigatorSaveItem_Click(object sender, EventArgs e)
{
this.Validate();
try
{
BankDataContext c = new BankDataContext();
LoginInfo t = new LoginInfo();
t.编号 = 编号TextBox.Text;
t.密码 = "123";
t.权限 = 0;
c.LoginInfo.InsertOnSubmit(t);
c.SubmitChanges();
this.employeeInfoBindingSource.EndEdit();
this.tableAdapterManager.UpdateAll(this.myDataSet);
bindingNavigatorAddNewItem.Enabled = true;
MessageBox.Show("保存成功！");
}
catch(Exception ex)
{
MessageBox.Show(ex.Message,"保存失败！");
}
}

Answer 1

没有重复也出现了这个问题咋办