本文介绍了如何清除错误的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
namespace rathana
{
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack == true)
{
populatecombobox();
txtAmountDisplay();
}
}
private void populatecombobox()
{
DataSet Ds;
Ds = new DataSet();
SqlCommand Cmd = new SqlCommand();
SqlDataAdapter Adp = new SqlDataAdapter();
SqlConnection Cnn = new SqlConnection();
string ConnectionString;
Cnn.ConnectionString = @"Data Source=DEVI\SQLEXPRESS; Initial Catalog =photo; Integrated Security=SSPI";
if (Cnn.State != ConnectionState.Open)
Cnn.Open();
Cmd.Connection = Cnn;
Cmd.CommandType = CommandType.StoredProcedure;
Cmd.CommandText = "UspGetDataFromtblSize";
Cmd.Parameters.Clear();
//Cmd.Parameters.AddWithValue("@Id", Id);
Adp.SelectCommand = Cmd;
try
{
Adp.Fill(Ds);
}
catch (Exception ex)
{
throw new ApplicationException(
"!!! An Error Occured While getting Data From tblSize." + ex.Message);
lblError.Visible = true;
lblError.Text = "!!! An Error Occured While " + ex.Message.ToString();
return;
}
if (Ds.Tables[0].Rows.Count > 0)
{
cmbSize.DataSource = Ds;
cmbSize.DataTextField = "Size";
cmbSize.DataValueField = "SizeID";
cmbSize.DataBind();
}
Cmd.Dispose();
Cnn.Close();
Cnn.Dispose();
return;
}
}
private void txtAmountDisplay()
{
Int32 str;
SqlCommand Cmd = new SqlCommand();
SqlConnection Cnn = new SqlConnection();
string ConnectionString;
Cnn.ConnectionString = @"Data Source=DEVI\SQLEXPRESS; Initial Catalog =photo; Integrated Security=SSPI";
if (Cnn.State != ConnectionState.Open)
Cnn.Open();
Cmd.Connection = Cnn;
Cmd.CommandType = CommandType.StoredProcedure;
Cmd.CommandText = "sproc_Ins_RATE_PhotoSettingsDetail";
Cmd.Parameters.Clear();
// Cmd.Parameters.AddWithValue("@Id", txtBillNo.Text);
Cmd.Parameters.AddWithValue("@SizeID", cmbSize.SelectedValue);
// Cmd.Parameters.AddWithValue("@Rate", txtAmt.Text.ToString());
try
{
str = Convert.ToInt32(Cmd.ExecuteScalar());
txtAmt.Text = str.ToString();
}
catch (Exception ex)
{
throw new ApplicationException(
"!!! An Error Occured While getting Data From tblRate." + ex.Message);
lblError.Visible = true;
lblError.Text = "!!! An Error Occured While " + ex.Message.ToString();
return;
}
Cmd.Dispose();
Cnn.Close();
Cnn.Dispose();
return;
}
protected void cmbSize_SelectedIndexChanged1(object sender, EventArgs e)
{
txtAmountDisplay();
if ((txtAmt.Text != "") && (txtNoofcopies.Text != ""))
{
txtTot.Text = Convert.ToString(Convert.ToInt32(txtNoofcopies.Text) * Convert.ToInt32(txtAmt.Text));
//lblTotal.Text = Convert.ToString(Convert.ToInt32(lblTotal.Text) + Convert.ToInt32(txtTot.Text));
}
else
{
txtTot.Text = Convert.ToString(0);
// lblTotal.Text = Convert.ToString(0);
}
}
private DataSet GetData()
{
DataSet Ds;
Ds = new DataSet();
SqlCommand Cmd = new SqlCommand();
SqlDataAdapter Adp = new SqlDataAdapter();
SqlConnection Cnn = new SqlConnection();
string ConnectionString;
Cnn.ConnectionString = @"Data Source=DEVI\SQLEXPRESS; Initial Catalog =photo; Integrated Security=SSPI";
if (Cnn.State != ConnectionState.Open)
Cnn.Open();
Cmd.Connection = Cnn;
Cmd.CommandType = CommandType.Text;
Cmd.CommandText = "select Size,0 as Amount,'''' As Noofcopies from tblSize where SizeID=0";
Cmd.Parameters.Clear();
//Cmd.Parameters.AddWithValue("@Id", Id);
Adp.SelectCommand = Cmd;
try
{
Adp.Fill(Ds);
}
catch (Exception ex)
{
throw new ApplicationException(
"!!! An Error Occured While getting Data." + ex.Message);
//lblErrorMsg.Visible = true;
//lblErrorMsg.Text = "!!! An Error Occured While " + ex.Message.ToString();
}
Cmd.Dispose();
Cnn.Close();
Cnn.Dispose();
return Ds;
}
}
}Error 1 Expected class, delegate, enum, interface, or struct C:\Documents and Settings\Administrator\My Documents\Visual Studio 2008\Projects\rathana\rathana\Default.aspx.cs 74 17 rathana
Error 2 Expected class, delegate, enum, interface, or struct C:\Documents and Settings\Administrator\My Documents\Visual Studio 2008\Projects\rathana\rathana\Default.aspx.cs 79 34 rathana
Error 3 Expected class, delegate, enum, interface, or struct C:\Documents and Settings\Administrator\My Documents\Visual Studio 2008\Projects\rathana\rathana\Default.aspx.cs 80 37 rathana
Error 4 Expected class, delegate, enum, interface, or struct C:\Documents and Settings\Administrator\My Documents\Visual Studio 2008\Projects\rathana\rathana\Default.aspx.cs 102 27 rathana
Error 5 A namespace does not directly contain members such as fields or methods C:\Documents and Settings\Administrator\My Documents\Visual Studio 2008\Projects\rathana\rathana\Default.aspx.cs 111 13 rathana
Error 6 Type or namespace definition, or end-of-file expected C:\Documents and Settings\Administrator\My Documents\Visual Studio 2008\Projects\rathana\rathana\Default.aspx.cs 118 9 rathana推荐答案
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