[英]error in connecting to sql from C# windows form application
我在C#中有一個獲取用戶和通過的表單,並且有一個顯示雇員信息的表單,還有兩個表都在sql server中,我想在Gridview中顯示。
private void button1_Click(object sender, EventArgs e)
{
String UserId = textBox1.Text;
String passwrd = textBox2.Text;
SqlConnection myConnection = new SqlConnection("Server=.,SQL2014;Database=MyTamrin;uid=Sa;password=Sa123;");
try
{
myConnection.Open();
}
catch (Exception r)
{
MessageBox.Show(r.ToString());
Console.WriteLine(r.ToString());
}
SqlCommand sqlcomm = new SqlCommand();
sqlcomm.CommandText = "SELECT count(*) FROM dbo.Empp WHERE fldUserName = @snum AND fldPassword = @pass";
sqlcomm.Parameters.AddWithValue("@snum", UserId);
sqlcomm.Parameters.AddWithValue("@pass", passwrd);
if ((Int16)sqlcomm.ExecuteScalar()==1)
{
Userinfo mainform = new Userinfo();
mainform.Show();
}
問題是什么?
您未指定以下內容:
sqlComm.Connection = myConnection;
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.