How to check ds of row value is null

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If(ds.Table[0].Rows[6]!== Null)
{
lblauthorititesname16.Text = ds.Tables[0].Rows[6]["authoritites_Name"].ToString();
lblauthorititesdesig17.Text = ds.Tables[0].Rows[6]["authoritites_Designation"].ToString();
lblauthorititescontact18.Text = ds.Tables[0].Rows[6]["authoritites_Contact"].ToString();
}
If(ds.Table[0].Rows[6]!== Null)
{
lblauthorititesname19.Text = ds.Tables[0].Rows[7]["authoritites_Name"].ToString();
lblauthorititesdesig20.Text = ds.Tables[0].Rows[7]["authoritites_Designation"].ToString();
lblauthorititescontact21.Text = ds.Tables[0].Rows[7]["authoritites_Contact"].ToString();
}

What I have tried:

Please help me how to check i want to use ds of row value then goes in to if condition

Posted 27-Mar-17 18:44pm

Member 12183079

Updated 27-Mar-17 19:15pm

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2 solutions

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Divya-Systematix · Accepted Answer · 2017-03-27T19:07:00

Solution 1

You can try this condition :

if (DataSet.Tables(0).Rows(0).Item["FieldName"] == DBNull.Value){
//null condition 
}
else{
//not null condition 
}

Posted 27-Mar-17 19:07pm

Divya-Systematix

Comments

Member 12183079 28-Mar-17 2:12am

thank you

Karthik_Mahalingam · Accepted Answer · 2017-03-27T19:15:00

Solution 2

if(ds.Tables[0].Rows.Count>=7){ // ensure that row 6 exists // zero based index 
            string[] columnsToCheck = new string[]{"authoritites_Name","authoritites_Designation","authoritites_Contact"};
            bool isAllColumnsNull =  columnsToCheck.All(k=> string.IsNullOrEmpty( ds.Tables[0].Rows[6][k]+""));
            if(!isAllColumnsNull){
                // your code.
            }
        }

Posted 27-Mar-17 19:15pm

Karthik_Mahalingam

Comments

Member 12183079 28-Mar-17 2:12am

thank you

Karthik_Mahalingam 28-Mar-17 8:48am

welcome