C# - How To Connect A Database Using Odbc
Feb 28, 2011I have a system DSN.How to connect to the database in asp.net using DSN.I wanted the Connection String
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1. I right-click on my Models folder and select Add -> New Item
2. Choose "Data" on the left panel
3. Select ADO.NET Entity Data Model than click "Add"
Options were:
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Currently the web form web site is working perfectly.
In Web.config :
[Code]....
But, When i try to create a simple page by using the same DB connection in MVC, i get error message:
Exception Details: System.ArgumentException: Keyword not supported: 'driver'.Line 17: public SqlProductsRepository(string connectionString)Line 18: {Line 19: productsTable = (new DataContext(connectionString)).GetTable<Product>();Line 20: }Line 21:
[Code]....
In Controller:
[Code]....
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[Code]....
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ERROR [IM002] [Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified.
Below is the code sample
string conn = "Provider=MSDASQL;Remote Server=http://BLR1WKD010; Remote Provider=MSDASQL;DSN=" + clsODBC.pDBName + ";UID=" + txtUsername.Text + ";PWD=" + txtPassword.Text;
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try
{
OdbcConnection MyConnection = new OdbcConnection(ConfigurationManager.ConnectionStrings["myconn"].ConnectionString);
MyConnection.Open();
String MyString = "UPDATE orddetpabak SET jud1=@jud1,jud2=@jud2,jud3=@jud3,adv=@adv where fil_no=@fil_no AND orderdate=@orderdate";
OdbcCommand MyCmd = new OdbcCommand(MyString, MyConnection);
String j1=DropDownList4.SelectedValue;
String j2=DropDownList5.SelectedValue;
String j3=DropDownList6.SelectedValue;
String j4=TextBox4.Text;
String j5 = HiddenField1.Value;
String j6 = TextBox3.Text;
MyCmd.Parameters.AddWithValue("@jud1",j1);
MyCmd.Parameters.AddWithValue("@jud2",j2);
MyCmd.Parameters.AddWithValue("@jud3",j3);
MyCmd.Parameters.AddWithValue("@adv",j4);
MyCmd.Parameters.AddWithValue("@fil_no",j5);
MyCmd.Parameters.AddWithValue("@orderdate",j6);
Response.Write(DropDownList4.SelectedValue);
Response.Write(" " + DropDownList5.SelectedValue);
Response.Write(" " + DropDownList6.SelectedValue);
Response.Write(" " + TextBox4.Text);
Response.Write(" " + HiddenField1.Value);
Response.Write(" " + TextBox3.Text);
MyCmd.ExecuteNonQuery();
//MyConnection.Close();
}
catch(Exception epp)
{
Response.Write(epp);
}
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This is an example of what I am talking about
private
void ODBCpdEmployeeAb()
{
DataTable dt =
new
DataTable();
[Code]....
The first part gets the data from the ODBC connection and the next part stores it in an sql server table. The problem is I have these methods in the page load event of the webform so everytime it loads it just puts the exact same data in the sql server table which would then provide incorrect information on the report.
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protected void Button3_Click(object sender, EventArgs e)
{
OdbcConnection MyConnection = new OdbcConnection("Driver={MySQL ODBC 3.51 Driver};Server=localhost;Database=testcase;User=root;Password=root;Option=3;");
MyConnection.Open();
String MyString = "select fil_no,orderdate from temp_save where fil_no=? and orderdate=?";
OdbcCommand MyCmd = new OdbcCommand(MyString, MyConnection);
MyCmd.Parameters.AddWithValue("", HiddenField4.Value);
MyCmd.Parameters.AddWithValue("", TextBox3.Text);
using (OdbcDataReader MyReader4 = MyCmd.ExecuteReader())
{
//**
if (MyReader4.Read())
{
String MyString1 = "UPDATE temp_save SET order=? where fil_no=? AND orderdate=?";
OdbcCommand MyCmd1 = new OdbcCommand(MyString1, MyConnection);
MyCmd1.Parameters.AddWithValue("", Editor1.Content.ToString());
MyCmd1.Parameters.AddWithValue("", HiddenField1.Value);
MyCmd1.Parameters.AddWithValue("", TextBox3.Text);
MyCmd1.ExecuteNonQuery();
}
else
{
// set the SQL string
String strSQL = "INSERT INTO temp_save (fil_no,order,orderdate) " +
"VALUES (?,?,?)";
// Create the Command and set its properties
OdbcCommand objCmd = new OdbcCommand(strSQL, MyConnection);
objCmd.Parameters.AddWithValue("", HiddenField4.Value);
objCmd.Parameters.AddWithValue("", Editor1.Content.ToString());
objCmd.Parameters.AddWithValue("", TextBox3.Text);
// execute the command
objCmd.ExecuteNonQuery();
}
}
}
I am getting the error as: ERROR [42000] [MySQL][ODBC 3.51 Driver][mysqld-5.1.51-community]You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'order,orderdate) VALUES ('04050040272009',' &' at line 1
The datatype for fields in table temp_save are:
fil_no-->INT(15)( to store a 15 digit number)
order-->LONGTEXT(to store contents from HTMLEditor(ajax control))
orderdate-->DATE(to store date)
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[Code]....
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