[英]Sql data reader wont return my values to objects
I have this code that gets the return query from SQL and place it in Labels. 我有这段代码可从SQL获取返回查询并将其放置在Labels中。 The problem is, when I click the Search Button, The Labels wont populate.
问题是,当我单击“搜索”按钮时,不会填充标签。 but when I enter debug mode, It has values.
但是当我进入调试模式时,它具有值。 Why is that?!
这是为什么?! help!
救命!
//I've cut down the code here to make the question clearer
//But these 4 fields were all valid properties - Sayse
public string FirstName
public string MiddleName
public string LastName
public string Email
public void SearchAffectedUser()
{
using (SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString))
{
using (SqlCommand com_retrieve = new SqlCommand("Reader.usp_SearchAffectedUser", con))
{
com_retrieve.CommandType = CommandType.StoredProcedure;
com_retrieve.Parameters.Add("@fld_EmployeeId", SqlDbType.Int).Value = AffectedUser;
con.Open();
com_retrieve.ExecuteNonQuery();
SqlDataReader dr = com_retrieve.ExecuteReader();
if (dr.Read())
{
FirstName = dr.GetValue(0).ToString();
MiddleName = dr.GetValue(1).ToString();
LastName = dr.GetValue(2).ToString();
Email = dr.GetValue(3).ToString();
}
}
}
}
protected void findAffectedUserButton_Click(object sender, EventArgs e)
{
ticket.AffectedUser = affectedUserTextBox.Text;
ticket.FirstName = firstNameValueLabel.Text;
ticket.MiddleName = middleNameValueLabel.Text;
ticket.LastName = lastNameValueLabel.Text;
ticket.Email = emailValueLabel.Text;
ticket.SearchAffectedUser();
}
First set the AffectedUser property used for the search then call the search command and finally set the labels. 首先设置用于搜索的AffectedUser属性,然后调用搜索命令,最后设置标签。
protected void findAffectedUserButton_Click(object sender, EventArgs e)
{
ticket.AffectedUser = affectedUserTextBox.Text;
ticket.SearchAffectedUser();
firstNameValueLabel.Text = ticket.FirstName;
middleNameValueLabel.Text = ticket.MiddleName;
lastNameValueLabel.Text = ticket.LastName;
emailValueLabel.Text = ticket.Email;
}
将标签的TEXT属性设置为“”。
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