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connection string dynamic server value
Posted on 2011-03-08
Hi
Below is the connection string to my database.
Depending on the user provided value(suppose it as "userType"), the "data source" value "SERVERNAME" is changed ie depending on userType, the user is connected to database.
connectionString="Initial Catalog=IC1;Application Name=AN1;data source={SERVERNAME};User ID=xxx;password=xxx;"
Do any one has sample/ suggestion or links similar to this one. I am confused how "SERVERNAME" and "userType" are related to each other.
Thank You
Below is the connection string to my database.
Depending on the user provided value(suppose it as "userType"), the "data source" value "SERVERNAME" is changed ie depending on userType, the user is connected to database.
connectionString="Initial Catalog=IC1;Application Name=AN1;data source={SERVERNAME};User ID=xxx;password=xxx;"
Do any one has sample/ suggestion or links similar to this one. I am confused how "SERVERNAME" and "userType" are related to each other.
Thank You
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5 Comments
Active 2 days ago
Data Source in the connection refers to the server. So you want to point people to different database servers based on "userType"?
mkarthik415 no need to get confuse get the basic idea
"SERVERNAME" : is the instance name of the sql server for which it is installed which Generally is installed by default with the IP address of the system or along with a instance name say for eg
u have lan ip as 192.10.5.20 , and sql server 2008 is installed with default instance name then your servername for sql server will be 192.10.5.20 (or . which means local server) if u have instance name along with say mkarthik415_SQLServer then "SERVERNAME will be 192.10.5.20\mkarthik415_SQ
and "userType" is the user created for the particular databse like each database has default userid as sa you can also create userid for your db.
The "SERVERNAME" and "userType" are related to each other in the manner that in connection string first u mention that which DB Server u are connecting , Second thing u need to mention Catalog is which database u r connecting and thirdly through which user u r connecting to that database.
User are created as stating how much accessing, deleting or using rights are given to user for a database as sa user is administrator and u may not give all rights to all db users
"SERVERNAME" : is the instance name of the sql server for which it is installed which Generally is installed by default with the IP address of the system or along with a instance name say for eg
u have lan ip as 192.10.5.20 , and sql server 2008 is installed with default instance name then your servername for sql server will be 192.10.5.20 (or . which means local server) if u have instance name along with say mkarthik415_SQLServer then "SERVERNAME will be 192.10.5.20\mkarthik415_SQ
and "userType" is the user created for the particular databse like each database has default userid as sa you can also create userid for your db.
The "SERVERNAME" and "userType" are related to each other in the manner that in connection string first u mention that which DB Server u are connecting , Second thing u need to mention Catalog is which database u r connecting and thirdly through which user u r connecting to that database.
User are created as stating how much accessing, deleting or using rights are given to user for a database as sa user is administrator and u may not give all rights to all db users
Function GetConnectionString() As String
Dim Datasource As String = Txt_SqlSrvrName.Text
Dim Catalog As String = txtCatalog.Text
Dim userid As String = Txt_userID.Text
Dim Pwd As String = txt_Pwd.Text
Dim SMS_DistrictConn As String = "Data Source=" & Datasource & ";Initial Catalog=" & Catalog & ";Persist Security Info=True;User ID=sa;Password=" & Pwd & ";"
Return SMS_DistrictConn
End Function
do something like this and save the connection string in viewstate
Dim Datasource As String = Txt_SqlSrvrName.Text
Dim Catalog As String = txtCatalog.Text
Dim userid As String = Txt_userID.Text
Dim Pwd As String = txt_Pwd.Text
Dim SMS_DistrictConn As String = "Data Source=" & Datasource & ";Initial Catalog=" & Catalog & ";Persist Security Info=True;User ID=sa;Password=" & Pwd & ";"
Return SMS_DistrictConn
End Function
do something like this and save the connection string in viewstate
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