SqlConnection cnn = new SqlConnection();
cnn.ConnectionString = "Data Source=.;Database = deptStore;Integrated Security = true;";
cnn.Open();
SqlCommand cmd = new SqlCommand();
cmd.CommandText = "insert into Employee values('" + TextBox1.Text + "','" + TextBox2.Text + "','" + TextBox3.Text + "','" + TextBox4.Text + "','" + TextBox5.Text + "','" + TextBox6.Text + "','" + TextBox7.Text + "','" + TextBox8.Text + "','" + TextBox9.Text + "','" + TextBox10.Text + "','" + TextBox11.Text + "','" + TextBox12.Text + "','" + TextBox13.Text + "')";
cmd.Connection = cnn;
cmd.ExecuteNonQuery();
Response.Write("Record Save");
cnn.Close();
但我收到以下错误：
SqlConnection cnn = new SqlConnection(); cnn.ConnectionString = "数据源 =.;数据库 = deptStore;集成安全 = true;";
cnn.Open();
SqlCommand cmd = new SqlCommand();
cmd.CommandText = "insert into Employee values('" + TextBox1.Text + "','" + TextBox2.Text + "','" + TextBox3.Text + "','" + TextBox4.Text + "','" + TextBox5.Text + "','" + TextBox6.Text + "','" + TextBox7.Text + "','" + TextBox8.Text + "','" + TextBox9.Text + "','" + TextBox10.Text + "','" + TextBox11.Text + "','" + TextBox12.Text + "','" + TextBox13.Text + "')";
cmd.Connection = cnn;
cmd.ExecuteNonQuery();
Response.Write("Record Save");
cnn.Close();
但是我收到以下错误：用户代码未处理 SqlException
建立与 SQL Server 的连接时发生与网络相关或特定于实例的错误。服务器未找到或无法访问。验证实例名称是否正确以及 SQL Server 是否配置为允许远程连接。（提供者：命名管道提供者，错误：40 - 无法打开与 SQL Server 的连接）
请帮助我理解错误并纠正它。