How to get database tables names into dropdown list box

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Hi I want get database 2 table names into DropDownlist ad then fetch table column in the GridView on selection of Table name in DropDownList.

How to get table name in DropDownList?

Please help me

Thanks in advance

Posted 8-Oct-14 2:28am

nishikant.K

Updated 4-Dec-17 20:56pm

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5 solutions

Solution 3

Use this query

SQL

USE database_name
go
SELECT TableName FROM sys.tables

and bind the drop down list with the output

Posted 8-Oct-14 2:38am

VC.J

Solution 4

Below three sql commands return same results

SQL

USE [DB_NAME]
GO

select name from sys.tables
GO

select NAME AS TBL_NAME from sys.all_objects where type_desc='USER_TABLE' AND SCHEMA_ID!=4
GO

SELECT table_name FROM INFORMATION_SCHEMA.TABLES
GO

Posted 8-Oct-14 7:41am

mahesh591

Solution 5

C#

sqldataadapter da=new sqldataadapter("select table_name as name from information_schema.tables","ConnectionString")
datatable dt=new datatable(); 
da.fill(dt); 
 
ddl.datasource=dt; 
ddl.DataValueField="name";
ddl.DataTextField="name";
ddl.databind();

Posted 8-Oct-14 19:26pm

Ainy Mughal

Updated 10-Oct-14 18:31pm

v2

Comments

King Fisher 9-Oct-14 2:38am

you select only table_name then how can you bind name,id to your Drop down.

Ainy Mughal 11-Oct-14 0:31am

edited

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Samatha Reddy G · Accepted Answer · 2014-10-08T02:36:00

Solution 2

sqldataadapter da=new sqldataadapter("SELECT name FROM sys.tables","ConnectionString")
datatable dt=new datatable(); 
da.fill(dt); 

drp.datasource=dt; 
drp.DataValueField="name";
drp.DataTextField="name";
drp.databind();

Please give your Connection string in place of "ConnectionString"

Posted 8-Oct-14 2:36am

Samatha Reddy G

Updated 8-Oct-14 2:37am

v2

Comments

aarif moh shaikh 11-Oct-14 5:19am

Good ... It will best answer..

Samatha Reddy G 15-Oct-14 0:37am

thanks

vangapally Naveen Kumar · Accepted Answer · 2014-10-08T02:33:00

use this query to get table names from database

SQL

SELECT table_name FROM INFORMATION_SCHEMA.TABLES ---gives all the table names

then bind to the drop down like

C#

using (SqlConnection con = new SqlConnection("Data Source=abc;Integrated Security=true;Initial Catalog=MySampleDB"))
{
con.Open();
SqlCommand cmd = new SqlCommand("SELECT table_name FROM INFORMATION_SCHEMA.TABLES", con);
SqlDataAdapter da = new SqlDataAdapter(cmd);
DataSet ds = new DataSet();
da.Fill(ds);
ddlabc.DataSource = ds;
ddlabc.DataTextField = "table_name";
ddlabc.DataValueField = "table_name";
ddlabc.DataBind();
con.Close();
}

get the columns use this query

SQL

SELECT * FROM INFORMATION_SCHEMA.columns where table_name='your table name'

then bind the grid.

C#

using (SqlConnection con = new SqlConnection("Data Source=abc;Integrated Security=true;Initial Catalog=MySampleDB"))
{
con.Open();
SqlCommand cmd = new SqlCommand("SELECT * FROM INFORMATION_SCHEMA.columns where table_name='+ ddlabc.selecteditem.text +'", con);
SqlDataAdapter da = new SqlDataAdapter(cmd);
DataSet ds = new DataSet();
da.Fill(ds);
gridview1.DataSource = ds;

gridview1.DataBind();
con.Close();
}