protected void btnUsePrice_Click(object sender, EventArgs e) { DataSet ds = new DataSet(); ds = portfolioBo.GetGoldPrice(DateTime.Parse(txtPurchaseDate.Text)); txtPurchasePrice.Text = ds.Tables[0].Rows[0][0].ToString(); if (!string.IsNullOrEmpty(txtPurchaseDate.Text)) { if (!string.IsNullOrEmpty(txtQuantity.Text)) { txtPurchaseValue.Text = (Math.Round((double.Parse(txtPurchasePrice.Text) * double.Parse(txtQuantity.Text)), 4)).ToString(); } else { txtPurchasePrice.Text = ""; ScriptManager.RegisterClientScriptBlock(this.Page, this.GetType(), "Message", "alert('Please enter Quantity');", true); } //Page.ClientScript.RegisterStartupScript(this.GetType(), "Message", "alert('Please enter Quantity');", true); //txtPurchaseValue.Text = " "; if (!string.IsNullOrEmpty(txtQuantity.Text)) { DataSet ds1 = new DataSet(); ds1 = portfolioBo.GetGoldPriceCurrent(DateTime.Parse(txtPurchaseDate.Text)); //txtCurrentPrice.Text = ds1.Tables[0].Rows[0][0].ToString(); //txtCurrentValue.Text = (Math.Round((double.Parse(txtCurrentPrice.Text) * double.Parse(txtQuantity.Text)), 4)).ToString(); } else { txtPurchasePrice.Text = ""; ScriptManager.RegisterClientScriptBlock(this.Page, this.GetType(), "Message", "alert('Please enter Quantity');", true); } } else { txtPurchasePrice.Text = ""; ScriptManager.RegisterClientScriptBlock(this.Page, this.GetType(), "Message", "alert('Please enter Purchase Date');", true); } }