i have unable to cast object of type 'system.data.datarowview' to type 'system.iconvertible' this type of error

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unable to cast object of type 'system.data.datarowview' to type 'system.iconvertible'
i have this type of error plz help me anyone

C#

private void BindClassGroupCmb()
{
    //Show existing record list.
    try
    {

        ClassGroup = _ExcuteData._ExecuteDataSet("SELECT class_group_name, class_groupid from class_group_master ");
       //cmbClassGroup.Items.Insert(0, "--Select--");
        cmbClassGroup.DataSource = ClassGroup.Tables[0];

        cmbClassGroup.DisplayMember = "class_group_name";
        cmbClassGroup.ValueMember = "class_groupid";
    }
    catch (Exception ex)
    {
        MessageBox.Show("Error: " + ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
    }
}

Posted 22-Jan-14 2:16am

Tripat Bala Singh

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1 solution

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Karthik_Mahalingam · Accepted Answer · 2014-01-22T02:21:00

Solution 1

Try like this

C#

cmbClassGroup.DisplayMember = "class_group_name";
        cmbClassGroup.ValueMember = "class_groupid";
        cmbClassGroup.DataSource = ClassGroup.Tables[0];

you have to define the Valuemember and Displaymember before assigning a datasource...

Posted 22-Jan-14 2:21am

Karthik_Mahalingam

Comments

Tripat Bala Singh 22-Jan-14 8:27am

thank you kartihik sir its working...
thank you very much...

Karthik_Mahalingam 22-Jan-14 8:33am

welcome :)

Abhinandan Taralkar 6-Nov-14 1:28am

thanks it's what i want

Karthik_Mahalingam 10-Nov-14 3:15am

welcome :)

Member 11057488 24-Apr-15 3:48am

unable to cast object of type system.data.datarowview to typ system.iconvertible in c#.net index out of bound

public void Bind()
{
try
{
string query = @"select ProductMaster.id,ProductMaster.pName,ProductDetails.Modelno,ProductDetails.Price,ProductDetails.Quantity from ProductMaster, ProductDetails";
sda = new SqlDataAdapter(query, conn);
dt = new DataTable();
sda.Fill(dt);
if (dt.Rows.Count > 0)
{
dataGridView1.DataSource = dt;
}
dataGridView1.Columns[0].Visible = false;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}

Karthik_Mahalingam 27-Apr-15 4:24am

still you have the problem ?

Member 11057488 30-Jun-15 11:38am

it works. thank you

i have unable to cast object of type 'system.data.datarowview' to type 'system.iconvertible' this type of error

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Solution 1

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i have unable to cast object of type 'system.data.datarowview' to type 'system.iconvertible' this type of error

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