Asp.net -to Update .dbml File
Aug 12, 2010How to update .dbml file after making some changes in the database?
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Ok, here is the problem:I drag and drop my database table into dbml, so i have new table diagram on dbml.For example, I have User table which has two columns(ID, NAME)Then something.design.cs automatically generates User class and definitions for ID, and NAME.
for example: [Code]....above code is automatically generated onto something.designer.cs then I made change on something.designer.cs :
[Code]....
then i added new column in database table named "Password" if i delete old diagram in dbml and drag new table, it re-writes whole something.designer.cs file, so i lose all codes i wrote before.I googled it and people say about Partial class, but i dont know how to use partial class.
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{
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Partial Class FPDataContext
End Class
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edit:
here is my VB version edit as an example...
Imports System.ComponentModel.DataAnnotations
<MetadataType(GetType(CommentMetaData))> _
Partial Public Class Comment
End Class
Public Class CommentMetaData
<UIHint("PostedSince")> _
Public Property DateAdded() As DateTime
End Class
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View 1 RepliesC# - Update .dbf File From .NET Application?
Oct 21, 2010I want to update a .dbf file from my .net application. I was able to read the .dbf file into a grid but not able to update the .dbf file from my .net application. I have used following code to read the .dbf file. Reading is okay. But, not able to update .dbf file.
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Data.OleDb;
using System.Data.Odbc;
namespace DBFwin
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void ConnectToDBF()
{
System.Data.Odbc.OdbcConnection oConn = new System.Data.Odbc.OdbcConnection();
oConn.ConnectionString = @"Driver={Microsoft dBase Driver (*.dbf)};SourceType=DBF;SourceDB=D:databases;Exclusive=No; Collate=Machine;NULL=NO;DELETED=NO;BACKGROUNDFETCH=NO;";
oConn.Open();
System.Data.Odbc.OdbcCommand oCmd = oConn.CreateCommand();
//Test.DBF is the dbf file which is located at C:
dSetup folder.
oCmd.CommandText = @"SELECT * FROM C:
dSetupTest.DBF";
DataTable dt = new DataTable();
dt.Load(oCmd.ExecuteReader());
//Adding a row..
//DataRow dtRow = dt.LoadDataRow();
DataRow dtRow = dt.NewRow();
//FIELD1 and FIELD2 are two columns of dbf file.
dtRow["FIELD1"] = 999;
dtRow["FIELD2"] = "RA-12";
dt.BeginLoadData();
dt.Rows.Add(dtRow);
dt.EndLoadData();
//Above code adding a row in the grid, which is fine.
//How can i update dbf file from this source code???
oConn.Close();
dataGridView1.DataSource = dt;
}
private void btnClick_Click(object sender, EventArgs e)
{
ConnectToDBF();
}
}
}
NOTE: I have also seen that, a third party component Apollo component is availble to read, add, edit records of .dbf file from .NET application. This component is developed by VistaSoftware.com. This not a freeware. Could you please confirm, to update .dbf file whether i have to use this third party component or i can do it by my .net application.
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Nov 4, 2010We are deploying our ASP.Net MVC application to a windows 2008 R2 server, running IIS 7.5.
After deployment, we get this error in the event log (we also get an email) :
"Unrecognized element 'providerOption'" on line x in c:wwwrootweb.config
which is:
<providerOption name="CompilerVersion" value="v3.5">
located in the system.codedom compiliers section of our standard web config. I investigated the problem a bit. (I also checked the namespace details on msdn to find out abit about it). Amongst many other solutions, I found this post recommending updating the FX_Schema.xml file on our server.
I looked through fx_schema file, and, as defined in the event viewer, the attribute "providerOption" is not in this schema! Here is the copy of the system.codedom section from the FX_schema.xml
<sectionSchema name="system.codedom">
<element name="compilers">
<collection addElement="compiler" removeElement="remove" clearElement="clear">
<attribute name="language" type="string" isCombinedKey="true" />
<attribute name="extension" type="string" isCombinedKey="true" />
<attribute name="type" type="string" />
<attribute name="warningLevel" type="int" />........
How To Instantly Update File
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