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[英]How can I use the mail merge step by step wizard in Visual Studio?
[英]How can I execute a SQL insert in a wizard active step?
在asp:Wizard
第一步,我使用DirectoryServices
登录以进行身份验证。 但是然后我想获取UserID
, Date
和SCOPE_IDENTITY()
并将其插入到表中。 这是我尝试过的。 当我单击下一步时,不会插入信息,但会正确检查AD功能。 我不确定我在做什么错
protected void OnActiveStepChanged(object sender, EventArgs e)
{
//check for the employee in AD
string Domain = "mydomain.local";
string EmployeeID = txtEmpID.Text;
string Password = txtPassword.Text;
string ADStatus = null;
// If the ActiveStep is changing to Step2, check to see whether the
// user authenticated the AD Login Process. If it is, skip to the Step2 step.
if (Wizard1.ActiveStepIndex == Wizard1.WizardSteps.IndexOf(this.WizardStep2))
{
if (AuthenticateActiveDirectory(Domain, EmployeeID, Password) == true)
{
//If success ...
ADStatus = "Success";
Session["SessionADStatus"] = ADStatus;
string strDepartment = ddlDepartment.SelectedValue;
SqlConnection conn1 = new SqlConnection(ConfigurationManager.ConnectionStrings["myconnection"].ConnectionString);
SqlCommand cmd1 = new SqlCommand("INSERT INTO [pharm_OrderID](UserID, RequestType, CreateDate) values (@UserID, @RequestType, @CreateDate);", conn1);
cmd1.CommandType = CommandType.Text;
conn1.Open();
string strUserID = txtEmpID.Text;
cmd1.Parameters.Add("@UserID", SqlDbType.NVarChar, 50);
cmd1.Parameters["@UserID"].Value = strUserID;
string strRequestType = ddlReturnType.SelectedValue;
cmd1.Parameters.Add("@ReturnType", SqlDbType.NVarChar, 50);
cmd1.Parameters["@ReturnType"].Value = strRequestType;
string strCreateDate = lblOrderAttemptTime.Text;
cmd1.Parameters.Add("@CreateDate", SqlDbType.NVarChar, 50);
cmd1.Parameters["@CreateDate"].Value = strCreateDate;
conn1.Dispose();
cmd1.Dispose();
Wizard1.ActiveStepIndex = Wizard1.WizardSteps.IndexOf(this.WizardStep2);
}
else
{
ADStatus = "Failure";
Session["SessionADStatus"] = ADStatus;
lblADError.Visible = true;
lblADError.Text = "Unable to authenticate Employee ID or Password.";
Wizard1.ActiveStepIndex = Wizard1.WizardSteps.IndexOf(this.WizardStep1);
}
}
}
我不是AD专家,但是需要执行命令才能产生任何结果。
尝试添加
cmd1.ExecuteNonQuery();
在处置连接和命令之前
using(SqlConnection conn1 = new SqlConnection(........))
using(SqlCommand cmd1 = new SqlCommand("INSERT INTO [pharm_OrderID]" +
"(UserID, RequestType, CreateDate) " +
"values (@UserID, @RequestType, @CreateDate);", conn1))
{
conn1.Open();
string strUserID = txtEmpID.Text;
cmd1.Parameters.Add("@UserID", SqlDbType.NVarChar, 50);
cmd1.Parameters["@UserID"].Value = strUserID;
string strRequestType = ddlReturnType.SelectedValue;
cmd1.Parameters.Add("@ReturnType", SqlDbType.NVarChar, 50);
cmd1.Parameters["@ReturnType"].Value = strRequestType;
string strCreateDate = lblOrderAttemptTime.Text;
cmd1.Parameters.Add("@CreateDate", SqlDbType.NVarChar, 50);
cmd1.Parameters["@CreateDate"].Value = strCreateDate;
cmd1.ExecuteNonQuery();
}
Wizard1.ActiveStepIndex = Wizard1.WizardSteps.IndexOf(this.WizardStep2);
...
还添加了using语句以关闭连接并同时处理命令和连接。
您也应该始终使用此模式来正确关闭连接,以防在using块内引发异常
3件事
对于第2部分:
cmd1.Connection.Open();
代替
conn1.Open();
对于第3部分:
SqlTransaction transaction;
// Start a local transaction.
transaction = conn1.BeginTransaction("TheTransaction");
cmd1.Transaction = transaction;
然后在处置命令之前
transaction.Commit();
在错误块中(编写TryCatch或检测到某种错误时),您可以使用
transaction.Rollback();
请注意,您必须在sql插入的开头设置成功状态。 命令执行成功后,您真的应该把它放进去...
编辑:在您的代码。 您在插入中引用requesttype
new SqlCommand("INSERT INTO [pharm_OrderID](...RequestType...) values (...@RequestType...
然后,您使用一种叫做returntype的东西
string strRequestType = ddlReturnType.SelectedValue;
cmd1.Parameters.Add("@ReturnType", SqlDbType.NVarChar, 50);
cmd1.Parameters["@ReturnType"].Value = strRequestType;
哪一个是正确的数据库之一。 这很可能是您的问题
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